Home / 177,707.75-266,635.67-77,939.58

Finding the Fourth Proportional to 177,707.75, 266,635.67 and 77,939.58

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Solution

The fourth proportional to 177,707.75, 266,635.67 and 77,939.58 is: 116,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,707.75 : 266,635.67 = 77,939.58 : x
  2. Step 2: Convert to fraction form
    177,707.75/266,635.67 = 77,939.58/x
  3. Step 3: Cross multiply
    177,707.75x = 266,635.67 × 77,939.58
  4. Step 4: Simplify right side
    177,707.75x = 20,781,471,743.12
  5. Step 5: Solve for x
    x = 20,781,471,743.12/177,707.75
  6. Step 6: Final answer
    x = 116,941.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.