Home / 153,150.91-211,317.28-89,476.41

Finding the Fourth Proportional to 153,150.91, 211,317.28 and 89,476.41

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Solution

The fourth proportional to 153,150.91, 211,317.28 and 89,476.41 is: 123,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.91 : 211,317.28 = 89,476.41 : x
  2. Step 2: Convert to fraction form
    153,150.91/211,317.28 = 89,476.41/x
  3. Step 3: Cross multiply
    153,150.91x = 211,317.28 × 89,476.41
  4. Step 4: Simplify right side
    153,150.91x = 18,907,911,585.36
  5. Step 5: Solve for x
    x = 18,907,911,585.36/153,150.91
  6. Step 6: Final answer
    x = 123,459.35

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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.