Home / 118,862.68-178,256.32-38,882.16

Finding the Fourth Proportional to 118,862.68, 178,256.32 and 38,882.16

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Solution

The fourth proportional to 118,862.68, 178,256.32 and 38,882.16 is: 58,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,862.68 : 178,256.32 = 38,882.16 : x
  2. Step 2: Convert to fraction form
    118,862.68/178,256.32 = 38,882.16/x
  3. Step 3: Cross multiply
    118,862.68x = 178,256.32 × 38,882.16
  4. Step 4: Simplify right side
    118,862.68x = 6,930,990,755.25
  5. Step 5: Solve for x
    x = 6,930,990,755.25/118,862.68
  6. Step 6: Final answer
    x = 58,310.91

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1.5x scale

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.