Home / 177,816.60-266,336.10-138,061.80

Finding the Fourth Proportional to 177,816.60, 266,336.10 and 138,061.80

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Solution

The fourth proportional to 177,816.60, 266,336.10 and 138,061.80 is: 206,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.60 : 266,336.10 = 138,061.80 : x
  2. Step 2: Convert to fraction form
    177,816.60/266,336.10 = 138,061.80/x
  3. Step 3: Cross multiply
    177,816.60x = 266,336.10 × 138,061.80
  4. Step 4: Simplify right side
    177,816.60x = 36,770,841,370.98
  5. Step 5: Solve for x
    x = 36,770,841,370.98/177,816.60
  6. Step 6: Final answer
    x = 206,790.82

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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.