Home / 153,150.75-211,317.06-89,476.23

Finding the Fourth Proportional to 153,150.75, 211,317.06 and 89,476.23

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Solution

The fourth proportional to 153,150.75, 211,317.06 and 89,476.23 is: 123,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.75 : 211,317.06 = 89,476.23 : x
  2. Step 2: Convert to fraction form
    153,150.75/211,317.06 = 89,476.23/x
  3. Step 3: Cross multiply
    153,150.75x = 211,317.06 × 89,476.23
  4. Step 4: Simplify right side
    153,150.75x = 18,907,853,863.48
  5. Step 5: Solve for x
    x = 18,907,853,863.48/153,150.75
  6. Step 6: Final answer
    x = 123,459.10

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Half scale
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Double scale
Find fourth proportional to 153,151.75, 211,318.44 and 89,477.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.