Home / 157,373.09-217,168.05-89,389.85

Finding the Fourth Proportional to 157,373.09, 217,168.05 and 89,389.85

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Solution

The fourth proportional to 157,373.09, 217,168.05 and 89,389.85 is: 123,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,373.09 : 217,168.05 = 89,389.85 : x
  2. Step 2: Convert to fraction form
    157,373.09/217,168.05 = 89,389.85/x
  3. Step 3: Cross multiply
    157,373.09x = 217,168.05 × 89,389.85
  4. Step 4: Simplify right side
    157,373.09x = 19,412,618,663.66
  5. Step 5: Solve for x
    x = 19,412,618,663.66/157,373.09
  6. Step 6: Final answer
    x = 123,354.12

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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.