Home / 177,660.80-266,145.60-107,331.20

Finding the Fourth Proportional to 177,660.80, 266,145.60 and 107,331.20

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Solution

The fourth proportional to 177,660.80, 266,145.60 and 107,331.20 is: 160,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,660.80 : 266,145.60 = 107,331.20 : x
  2. Step 2: Convert to fraction form
    177,660.80/266,145.60 = 107,331.20/x
  3. Step 3: Cross multiply
    177,660.80x = 266,145.60 × 107,331.20
  4. Step 4: Simplify right side
    177,660.80x = 28,565,726,622.72
  5. Step 5: Solve for x
    x = 28,565,726,622.72/177,660.80
  6. Step 6: Final answer
    x = 160,788.01

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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.