Home / 177,895.80-266,714.10-72,660.60

Finding the Fourth Proportional to 177,895.80, 266,714.10 and 72,660.60

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Solution

The fourth proportional to 177,895.80, 266,714.10 and 72,660.60 is: 108,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,895.80 : 266,714.10 = 72,660.60 : x
  2. Step 2: Convert to fraction form
    177,895.80/266,714.10 = 72,660.60/x
  3. Step 3: Cross multiply
    177,895.80x = 266,714.10 × 72,660.60
  4. Step 4: Simplify right side
    177,895.80x = 19,379,606,534.46
  5. Step 5: Solve for x
    x = 19,379,606,534.46/177,895.80
  6. Step 6: Final answer
    x = 108,937.97

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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.