Home / 168,086.40-252,129.60-61,470.15

Finding the Fourth Proportional to 168,086.40, 252,129.60 and 61,470.15

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Solution

The fourth proportional to 168,086.40, 252,129.60 and 61,470.15 is: 92,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.40 : 252,129.60 = 61,470.15 : x
  2. Step 2: Convert to fraction form
    168,086.40/252,129.60 = 61,470.15/x
  3. Step 3: Cross multiply
    168,086.40x = 252,129.60 × 61,470.15
  4. Step 4: Simplify right side
    168,086.40x = 15,498,444,331.44
  5. Step 5: Solve for x
    x = 15,498,444,331.44/168,086.40
  6. Step 6: Final answer
    x = 92,205.23

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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.