Home / 140,956.20-211,442.40-41,131.80

Finding the Fourth Proportional to 140,956.20, 211,442.40 and 41,131.80

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Solution

The fourth proportional to 140,956.20, 211,442.40 and 41,131.80 is: 61,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.20 : 211,442.40 = 41,131.80 : x
  2. Step 2: Convert to fraction form
    140,956.20/211,442.40 = 41,131.80/x
  3. Step 3: Cross multiply
    140,956.20x = 211,442.40 × 41,131.80
  4. Step 4: Simplify right side
    140,956.20x = 8,697,006,508.32
  5. Step 5: Solve for x
    x = 8,697,006,508.32/140,956.20
  6. Step 6: Final answer
    x = 61,700.06

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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.