Home / 140,851.68-211,264.80-52,105.92

Finding the Fourth Proportional to 140,851.68, 211,264.80 and 52,105.92

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Solution

The fourth proportional to 140,851.68, 211,264.80 and 52,105.92 is: 78,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,851.68 : 211,264.80 = 52,105.92 : x
  2. Step 2: Convert to fraction form
    140,851.68/211,264.80 = 52,105.92/x
  3. Step 3: Cross multiply
    140,851.68x = 211,264.80 × 52,105.92
  4. Step 4: Simplify right side
    140,851.68x = 11,008,146,767.62
  5. Step 5: Solve for x
    x = 11,008,146,767.62/140,851.68
  6. Step 6: Final answer
    x = 78,154.17

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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.