Home / 157,526.26-217,399.16-89,564.56

Finding the Fourth Proportional to 157,526.26, 217,399.16 and 89,564.56

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Solution

The fourth proportional to 157,526.26, 217,399.16 and 89,564.56 is: 123,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.26 : 217,399.16 = 89,564.56 : x
  2. Step 2: Convert to fraction form
    157,526.26/217,399.16 = 89,564.56/x
  3. Step 3: Cross multiply
    157,526.26x = 217,399.16 × 89,564.56
  4. Step 4: Simplify right side
    157,526.26x = 19,471,260,109.77
  5. Step 5: Solve for x
    x = 19,471,260,109.77/157,526.26
  6. Step 6: Final answer
    x = 123,606.44

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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.