Home / 157,526.57-217,399.58-89,564.87

Finding the Fourth Proportional to 157,526.57, 217,399.58 and 89,564.87

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Solution

The fourth proportional to 157,526.57, 217,399.58 and 89,564.87 is: 123,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.57 : 217,399.58 = 89,564.87 : x
  2. Step 2: Convert to fraction form
    157,526.57/217,399.58 = 89,564.87/x
  3. Step 3: Cross multiply
    157,526.57x = 217,399.58 × 89,564.87
  4. Step 4: Simplify right side
    157,526.57x = 19,471,365,888.17
  5. Step 5: Solve for x
    x = 19,471,365,888.17/157,526.57
  6. Step 6: Final answer
    x = 123,606.87

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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.