Home / 157,531.52-217,434.84-89,588.24

Finding the Fourth Proportional to 157,531.52, 217,434.84 and 89,588.24

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Solution

The fourth proportional to 157,531.52, 217,434.84 and 89,588.24 is: 123,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,531.52 : 217,434.84 = 89,588.24 : x
  2. Step 2: Convert to fraction form
    157,531.52/217,434.84 = 89,588.24/x
  3. Step 3: Cross multiply
    157,531.52x = 217,434.84 × 89,588.24
  4. Step 4: Simplify right side
    157,531.52x = 19,479,604,630.28
  5. Step 5: Solve for x
    x = 19,479,604,630.28/157,531.52
  6. Step 6: Final answer
    x = 123,655.28

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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.