Home / 140,982.47-211,470.20-41,143.53

Finding the Fourth Proportional to 140,982.47, 211,470.20 and 41,143.53

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Solution

The fourth proportional to 140,982.47, 211,470.20 and 41,143.53 is: 61,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,982.47 : 211,470.20 = 41,143.53 : x
  2. Step 2: Convert to fraction form
    140,982.47/211,470.20 = 41,143.53/x
  3. Step 3: Cross multiply
    140,982.47x = 211,470.20 × 41,143.53
  4. Step 4: Simplify right side
    140,982.47x = 8,700,630,312.09
  5. Step 5: Solve for x
    x = 8,700,630,312.09/140,982.47
  6. Step 6: Final answer
    x = 61,714.27

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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.