Home / 140,943.60-211,444.20-47,458.80

Finding the Fourth Proportional to 140,943.60, 211,444.20 and 47,458.80

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Solution

The fourth proportional to 140,943.60, 211,444.20 and 47,458.80 is: 71,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,943.60 : 211,444.20 = 47,458.80 : x
  2. Step 2: Convert to fraction form
    140,943.60/211,444.20 = 47,458.80/x
  3. Step 3: Cross multiply
    140,943.60x = 211,444.20 × 47,458.80
  4. Step 4: Simplify right side
    140,943.60x = 10,034,887,998.96
  5. Step 5: Solve for x
    x = 10,034,887,998.96/140,943.60
  6. Step 6: Final answer
    x = 71,197.90

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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.