Home / 177,781.20-266,585.40-98,811.60

Finding the Fourth Proportional to 177,781.20, 266,585.40 and 98,811.60

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Solution

The fourth proportional to 177,781.20, 266,585.40 and 98,811.60 is: 148,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,781.20 : 266,585.40 = 98,811.60 : x
  2. Step 2: Convert to fraction form
    177,781.20/266,585.40 = 98,811.60/x
  3. Step 3: Cross multiply
    177,781.20x = 266,585.40 × 98,811.60
  4. Step 4: Simplify right side
    177,781.20x = 26,341,729,910.64
  5. Step 5: Solve for x
    x = 26,341,729,910.64/177,781.20
  6. Step 6: Final answer
    x = 148,169.38

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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.