Home / 157,563.43-217,428.85-89,570.97

Finding the Fourth Proportional to 157,563.43, 217,428.85 and 89,570.97

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Solution

The fourth proportional to 157,563.43, 217,428.85 and 89,570.97 is: 123,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,563.43 : 217,428.85 = 89,570.97 : x
  2. Step 2: Convert to fraction form
    157,563.43/217,428.85 = 89,570.97/x
  3. Step 3: Cross multiply
    157,563.43x = 217,428.85 × 89,570.97
  4. Step 4: Simplify right side
    157,563.43x = 19,475,313,000.48
  5. Step 5: Solve for x
    x = 19,475,313,000.48/157,563.43
  6. Step 6: Final answer
    x = 123,603.00

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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.