Home / 157,526.45-217,399.41-89,564.75

Finding the Fourth Proportional to 157,526.45, 217,399.41 and 89,564.75

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Solution

The fourth proportional to 157,526.45, 217,399.41 and 89,564.75 is: 123,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.45 : 217,399.41 = 89,564.75 : x
  2. Step 2: Convert to fraction form
    157,526.45/217,399.41 = 89,564.75/x
  3. Step 3: Cross multiply
    157,526.45x = 217,399.41 × 89,564.75
  4. Step 4: Simplify right side
    157,526.45x = 19,471,323,806.80
  5. Step 5: Solve for x
    x = 19,471,323,806.80/157,526.45
  6. Step 6: Final answer
    x = 123,606.69

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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.