Home / 157,541.18-217,398.15-89,548.70

Finding the Fourth Proportional to 157,541.18, 217,398.15 and 89,548.70

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Solution

The fourth proportional to 157,541.18, 217,398.15 and 89,548.70 is: 123,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.18 : 217,398.15 = 89,548.70 : x
  2. Step 2: Convert to fraction form
    157,541.18/217,398.15 = 89,548.70/x
  3. Step 3: Cross multiply
    157,541.18x = 217,398.15 × 89,548.70
  4. Step 4: Simplify right side
    157,541.18x = 19,467,720,627.91
  5. Step 5: Solve for x
    x = 19,467,720,627.91/157,541.18
  6. Step 6: Final answer
    x = 123,572.27

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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.