Home / 185,842.36-278,607.90-129,517.24

Finding the Fourth Proportional to 185,842.36, 278,607.90 and 129,517.24

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Solution

The fourth proportional to 185,842.36, 278,607.90 and 129,517.24 is: 194,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.36 : 278,607.90 = 129,517.24 : x
  2. Step 2: Convert to fraction form
    185,842.36/278,607.90 = 129,517.24/x
  3. Step 3: Cross multiply
    185,842.36x = 278,607.90 × 129,517.24
  4. Step 4: Simplify right side
    185,842.36x = 36,084,526,250.20
  5. Step 5: Solve for x
    x = 36,084,526,250.20/185,842.36
  6. Step 6: Final answer
    x = 194,167.39

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1.5x scale

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.