Home / 157,583.87-217,456.92-89,591.26

Finding the Fourth Proportional to 157,583.87, 217,456.92 and 89,591.26

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Solution

The fourth proportional to 157,583.87, 217,456.92 and 89,591.26 is: 123,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,583.87 : 217,456.92 = 89,591.26 : x
  2. Step 2: Convert to fraction form
    157,583.87/217,456.92 = 89,591.26/x
  3. Step 3: Cross multiply
    157,583.87x = 217,456.92 × 89,591.26
  4. Step 4: Simplify right side
    157,583.87x = 19,482,237,923.28
  5. Step 5: Solve for x
    x = 19,482,237,923.28/157,583.87
  6. Step 6: Final answer
    x = 123,630.91

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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.