Home / 283,593.11-391,356.60-156,268.73

Finding the Fourth Proportional to 283,593.11, 391,356.60 and 156,268.73

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Solution

The fourth proportional to 283,593.11, 391,356.60 and 156,268.73 is: 215,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,593.11 : 391,356.60 = 156,268.73 : x
  2. Step 2: Convert to fraction form
    283,593.11/391,356.60 = 156,268.73/x
  3. Step 3: Cross multiply
    283,593.11x = 391,356.60 × 156,268.73
  4. Step 4: Simplify right side
    283,593.11x = 61,156,796,902.34
  5. Step 5: Solve for x
    x = 61,156,796,902.34/283,593.11
  6. Step 6: Final answer
    x = 215,649.80

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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.