Home / 116,472.28-160,731.69-66,171.28

Finding the Fourth Proportional to 116,472.28, 160,731.69 and 66,171.28

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Solution

The fourth proportional to 116,472.28, 160,731.69 and 66,171.28 is: 91,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.28 : 160,731.69 = 66,171.28 : x
  2. Step 2: Convert to fraction form
    116,472.28/160,731.69 = 66,171.28/x
  3. Step 3: Cross multiply
    116,472.28x = 160,731.69 × 66,171.28
  4. Step 4: Simplify right side
    116,472.28x = 10,635,821,663.86
  5. Step 5: Solve for x
    x = 10,635,821,663.86/116,472.28
  6. Step 6: Final answer
    x = 91,316.33

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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.