Home / 283,837.41-391,687.25-156,512.97

Finding the Fourth Proportional to 283,837.41, 391,687.25 and 156,512.97

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Solution

The fourth proportional to 283,837.41, 391,687.25 and 156,512.97 is: 215,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,837.41 : 391,687.25 = 156,512.97 : x
  2. Step 2: Convert to fraction form
    283,837.41/391,687.25 = 156,512.97/x
  3. Step 3: Cross multiply
    283,837.41x = 391,687.25 × 156,512.97
  4. Step 4: Simplify right side
    283,837.41x = 61,304,134,026.07
  5. Step 5: Solve for x
    x = 61,304,134,026.07/283,837.41
  6. Step 6: Final answer
    x = 215,983.28

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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.