Home / 206,741.97-285,335.15-126,216.45

Finding the Fourth Proportional to 206,741.97, 285,335.15 and 126,216.45

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Solution

The fourth proportional to 206,741.97, 285,335.15 and 126,216.45 is: 174,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,741.97 : 285,335.15 = 126,216.45 : x
  2. Step 2: Convert to fraction form
    206,741.97/285,335.15 = 126,216.45/x
  3. Step 3: Cross multiply
    206,741.97x = 285,335.15 × 126,216.45
  4. Step 4: Simplify right side
    206,741.97x = 36,013,989,693.22
  5. Step 5: Solve for x
    x = 36,013,989,693.22/206,741.97
  6. Step 6: Final answer
    x = 174,197.77

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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.