Home / 153,151.41-211,317.98-89,476.91

Finding the Fourth Proportional to 153,151.41, 211,317.98 and 89,476.91

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Solution

The fourth proportional to 153,151.41, 211,317.98 and 89,476.91 is: 123,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,151.41 : 211,317.98 = 89,476.91 : x
  2. Step 2: Convert to fraction form
    153,151.41/211,317.98 = 89,476.91/x
  3. Step 3: Cross multiply
    153,151.41x = 211,317.98 × 89,476.91
  4. Step 4: Simplify right side
    153,151.41x = 18,908,078,373.87
  5. Step 5: Solve for x
    x = 18,908,078,373.87/153,151.41
  6. Step 6: Final answer
    x = 123,460.03

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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.