Home / 157,526.07-217,398.89-89,564.37

Finding the Fourth Proportional to 157,526.07, 217,398.89 and 89,564.37

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Solution

The fourth proportional to 157,526.07, 217,398.89 and 89,564.37 is: 123,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.07 : 217,398.89 = 89,564.37 : x
  2. Step 2: Convert to fraction form
    157,526.07/217,398.89 = 89,564.37/x
  3. Step 3: Cross multiply
    157,526.07x = 217,398.89 × 89,564.37
  4. Step 4: Simplify right side
    157,526.07x = 19,471,194,621.55
  5. Step 5: Solve for x
    x = 19,471,194,621.55/157,526.07
  6. Step 6: Final answer
    x = 123,606.17

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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.