Home / 284,014.26-391,937.49-156,695.22

Finding the Fourth Proportional to 284,014.26, 391,937.49 and 156,695.22

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Solution

The fourth proportional to 284,014.26, 391,937.49 and 156,695.22 is: 216,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,014.26 : 391,937.49 = 156,695.22 : x
  2. Step 2: Convert to fraction form
    284,014.26/391,937.49 = 156,695.22/x
  3. Step 3: Cross multiply
    284,014.26x = 391,937.49 × 156,695.22
  4. Step 4: Simplify right side
    284,014.26x = 61,414,731,221.80
  5. Step 5: Solve for x
    x = 61,414,731,221.80/284,014.26
  6. Step 6: Final answer
    x = 216,238.20

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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.