Home / 140,957.20-211,443.90-41,132.80

Finding the Fourth Proportional to 140,957.20, 211,443.90 and 41,132.80

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Solution

The fourth proportional to 140,957.20, 211,443.90 and 41,132.80 is: 61,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,957.20 : 211,443.90 = 41,132.80 : x
  2. Step 2: Convert to fraction form
    140,957.20/211,443.90 = 41,132.80/x
  3. Step 3: Cross multiply
    140,957.20x = 211,443.90 × 41,132.80
  4. Step 4: Simplify right side
    140,957.20x = 8,697,279,649.92
  5. Step 5: Solve for x
    x = 8,697,279,649.92/140,957.20
  6. Step 6: Final answer
    x = 61,701.56

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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.