Home / 177,590.20-266,385.30-72,351.80

Finding the Fourth Proportional to 177,590.20, 266,385.30 and 72,351.80

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Solution

The fourth proportional to 177,590.20, 266,385.30 and 72,351.80 is: 108,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,590.20 : 266,385.30 = 72,351.80 : x
  2. Step 2: Convert to fraction form
    177,590.20/266,385.30 = 72,351.80/x
  3. Step 3: Cross multiply
    177,590.20x = 266,385.30 × 72,351.80
  4. Step 4: Simplify right side
    177,590.20x = 19,273,455,948.54
  5. Step 5: Solve for x
    x = 19,273,455,948.54/177,590.20
  6. Step 6: Final answer
    x = 108,527.70

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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.