Home / 177,862.12-266,793.66-72,681.10

Finding the Fourth Proportional to 177,862.12, 266,793.66 and 72,681.10

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Solution

The fourth proportional to 177,862.12, 266,793.66 and 72,681.10 is: 109,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,862.12 : 266,793.66 = 72,681.10 : x
  2. Step 2: Convert to fraction form
    177,862.12/266,793.66 = 72,681.10/x
  3. Step 3: Cross multiply
    177,862.12x = 266,793.66 × 72,681.10
  4. Step 4: Simplify right side
    177,862.12x = 19,390,856,681.83
  5. Step 5: Solve for x
    x = 19,390,856,681.83/177,862.12
  6. Step 6: Final answer
    x = 109,021.85

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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.