Home / 187,400.30-281,100.45-124,414.70

Finding the Fourth Proportional to 187,400.30, 281,100.45 and 124,414.70

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Solution

The fourth proportional to 187,400.30, 281,100.45 and 124,414.70 is: 186,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,400.30 : 281,100.45 = 124,414.70 : x
  2. Step 2: Convert to fraction form
    187,400.30/281,100.45 = 124,414.70/x
  3. Step 3: Cross multiply
    187,400.30x = 281,100.45 × 124,414.70
  4. Step 4: Simplify right side
    187,400.30x = 34,973,028,156.62
  5. Step 5: Solve for x
    x = 34,973,028,156.62/187,400.30
  6. Step 6: Final answer
    x = 186,622.05

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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.