Home / 157,534.62-217,389.10-89,542.14

Finding the Fourth Proportional to 157,534.62, 217,389.10 and 89,542.14

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Solution

The fourth proportional to 157,534.62, 217,389.10 and 89,542.14 is: 123,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,534.62 : 217,389.10 = 89,542.14 : x
  2. Step 2: Convert to fraction form
    157,534.62/217,389.10 = 89,542.14/x
  3. Step 3: Cross multiply
    157,534.62x = 217,389.10 × 89,542.14
  4. Step 4: Simplify right side
    157,534.62x = 19,465,485,226.67
  5. Step 5: Solve for x
    x = 19,465,485,226.67/157,534.62
  6. Step 6: Final answer
    x = 123,563.22

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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.