Home / 123,714.12-185,789.22-92,132.76

Finding the Fourth Proportional to 123,714.12, 185,789.22 and 92,132.76

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Solution

The fourth proportional to 123,714.12, 185,789.22 and 92,132.76 is: 138,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,714.12 : 185,789.22 = 92,132.76 : x
  2. Step 2: Convert to fraction form
    123,714.12/185,789.22 = 92,132.76/x
  3. Step 3: Cross multiply
    123,714.12x = 185,789.22 × 92,132.76
  4. Step 4: Simplify right side
    123,714.12x = 17,117,273,616.85
  5. Step 5: Solve for x
    x = 17,117,273,616.85/123,714.12
  6. Step 6: Final answer
    x = 138,361.52

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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.