Home / 177,853.17-266,780.21-72,672.14

Finding the Fourth Proportional to 177,853.17, 266,780.21 and 72,672.14

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Solution

The fourth proportional to 177,853.17, 266,780.21 and 72,672.14 is: 109,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853.17 : 266,780.21 = 72,672.14 : x
  2. Step 2: Convert to fraction form
    177,853.17/266,780.21 = 72,672.14/x
  3. Step 3: Cross multiply
    177,853.17x = 266,780.21 × 72,672.14
  4. Step 4: Simplify right side
    177,853.17x = 19,387,488,952.03
  5. Step 5: Solve for x
    x = 19,387,488,952.03/177,853.17
  6. Step 6: Final answer
    x = 109,008.40

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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.