Home / 140,932.38-211,298.13-66,011.43

Finding the Fourth Proportional to 140,932.38, 211,298.13 and 66,011.43

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Solution

The fourth proportional to 140,932.38, 211,298.13 and 66,011.43 is: 98,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,932.38 : 211,298.13 = 66,011.43 : x
  2. Step 2: Convert to fraction form
    140,932.38/211,298.13 = 66,011.43/x
  3. Step 3: Cross multiply
    140,932.38x = 211,298.13 × 66,011.43
  4. Step 4: Simplify right side
    140,932.38x = 13,948,091,717.63
  5. Step 5: Solve for x
    x = 13,948,091,717.63/140,932.38
  6. Step 6: Final answer
    x = 98,970.10

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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.