Home / 140,691.46-211,011.40-38,110.77

Finding the Fourth Proportional to 140,691.46, 211,011.40 and 38,110.77

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Solution

The fourth proportional to 140,691.46, 211,011.40 and 38,110.77 is: 57,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,691.46 : 211,011.40 = 38,110.77 : x
  2. Step 2: Convert to fraction form
    140,691.46/211,011.40 = 38,110.77/x
  3. Step 3: Cross multiply
    140,691.46x = 211,011.40 × 38,110.77
  4. Step 4: Simplify right side
    140,691.46x = 8,041,806,932.78
  5. Step 5: Solve for x
    x = 8,041,806,932.78/140,691.46
  6. Step 6: Final answer
    x = 57,159.17

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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.