Home / 140,841.29-211,119.78-88,287.68

Finding the Fourth Proportional to 140,841.29, 211,119.78 and 88,287.68

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Solution

The fourth proportional to 140,841.29, 211,119.78 and 88,287.68 is: 132,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,841.29 : 211,119.78 = 88,287.68 : x
  2. Step 2: Convert to fraction form
    140,841.29/211,119.78 = 88,287.68/x
  3. Step 3: Cross multiply
    140,841.29x = 211,119.78 × 88,287.68
  4. Step 4: Simplify right side
    140,841.29x = 18,639,275,578.31
  5. Step 5: Solve for x
    x = 18,639,275,578.31/140,841.29
  6. Step 6: Final answer
    x = 132,342.41

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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.