Home / 177,785.15-266,677.98-72,604.11

Finding the Fourth Proportional to 177,785.15, 266,677.98 and 72,604.11

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Solution

The fourth proportional to 177,785.15, 266,677.98 and 72,604.11 is: 108,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,785.15 : 266,677.98 = 72,604.11 : x
  2. Step 2: Convert to fraction form
    177,785.15/266,677.98 = 72,604.11/x
  3. Step 3: Cross multiply
    177,785.15x = 266,677.98 × 72,604.11
  4. Step 4: Simplify right side
    177,785.15x = 19,361,917,394.50
  5. Step 5: Solve for x
    x = 19,361,917,394.50/177,785.15
  6. Step 6: Final answer
    x = 108,906.27

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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.