Home / 361,899.32-542,840.82-125,227.72

Finding the Fourth Proportional to 361,899.32, 542,840.82 and 125,227.72

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Solution

The fourth proportional to 361,899.32, 542,840.82 and 125,227.72 is: 187,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,899.32 : 542,840.82 = 125,227.72 : x
  2. Step 2: Convert to fraction form
    361,899.32/542,840.82 = 125,227.72/x
  3. Step 3: Cross multiply
    361,899.32x = 542,840.82 × 125,227.72
  4. Step 4: Simplify right side
    361,899.32x = 67,978,718,211.53
  5. Step 5: Solve for x
    x = 67,978,718,211.53/361,899.32
  6. Step 6: Final answer
    x = 187,838.76

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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.