Home / 116,151.20-160,284.12-65,849.12

Finding the Fourth Proportional to 116,151.20, 160,284.12 and 65,849.12

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Solution

The fourth proportional to 116,151.20, 160,284.12 and 65,849.12 is: 90,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,151.20 : 160,284.12 = 65,849.12 : x
  2. Step 2: Convert to fraction form
    116,151.20/160,284.12 = 65,849.12/x
  3. Step 3: Cross multiply
    116,151.20x = 160,284.12 × 65,849.12
  4. Step 4: Simplify right side
    116,151.20x = 10,554,568,251.97
  5. Step 5: Solve for x
    x = 10,554,568,251.97/116,151.20
  6. Step 6: Final answer
    x = 90,869.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.