Home / 187,732.20-281,598.15-75,412.44

Finding the Fourth Proportional to 187,732.20, 281,598.15 and 75,412.44

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Solution

The fourth proportional to 187,732.20, 281,598.15 and 75,412.44 is: 113,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.20 : 281,598.15 = 75,412.44 : x
  2. Step 2: Convert to fraction form
    187,732.20/281,598.15 = 75,412.44/x
  3. Step 3: Cross multiply
    187,732.20x = 281,598.15 × 75,412.44
  4. Step 4: Simplify right side
    187,732.20x = 21,236,003,590.99
  5. Step 5: Solve for x
    x = 21,236,003,590.99/187,732.20
  6. Step 6: Final answer
    x = 113,118.60

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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.