Home / 206,143.85-284,352.77-136,292.90

Finding the Fourth Proportional to 206,143.85, 284,352.77 and 136,292.90

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Solution

The fourth proportional to 206,143.85, 284,352.77 and 136,292.90 is: 188,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,143.85 : 284,352.77 = 136,292.90 : x
  2. Step 2: Convert to fraction form
    206,143.85/284,352.77 = 136,292.90/x
  3. Step 3: Cross multiply
    206,143.85x = 284,352.77 × 136,292.90
  4. Step 4: Simplify right side
    206,143.85x = 38,755,261,543.10
  5. Step 5: Solve for x
    x = 38,755,261,543.10/206,143.85
  6. Step 6: Final answer
    x = 188,001.06

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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.