Home / 254,521.53-381,747.38-140,879.52

Finding the Fourth Proportional to 254,521.53, 381,747.38 and 140,879.52

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Solution

The fourth proportional to 254,521.53, 381,747.38 and 140,879.52 is: 211,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,521.53 : 381,747.38 = 140,879.52 : x
  2. Step 2: Convert to fraction form
    254,521.53/381,747.38 = 140,879.52/x
  3. Step 3: Cross multiply
    254,521.53x = 381,747.38 × 140,879.52
  4. Step 4: Simplify right side
    254,521.53x = 53,780,386,951.26
  5. Step 5: Solve for x
    x = 53,780,386,951.26/254,521.53
  6. Step 6: Final answer
    x = 211,299.95

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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.