Home / 254,514.76-381,737.27-140,872.77

Finding the Fourth Proportional to 254,514.76, 381,737.27 and 140,872.77

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Solution

The fourth proportional to 254,514.76, 381,737.27 and 140,872.77 is: 211,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,514.76 : 381,737.27 = 140,872.77 : x
  2. Step 2: Convert to fraction form
    254,514.76/381,737.27 = 140,872.77/x
  3. Step 3: Cross multiply
    254,514.76x = 381,737.27 × 140,872.77
  4. Step 4: Simplify right side
    254,514.76x = 53,776,386,989.32
  5. Step 5: Solve for x
    x = 53,776,386,989.32/254,514.76
  6. Step 6: Final answer
    x = 211,289.86

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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.