Home / 283,561.17-391,314.09-156,236.73

Finding the Fourth Proportional to 283,561.17, 391,314.09 and 156,236.73

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Solution

The fourth proportional to 283,561.17, 391,314.09 and 156,236.73 is: 215,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561.17 : 391,314.09 = 156,236.73 : x
  2. Step 2: Convert to fraction form
    283,561.17/391,314.09 = 156,236.73/x
  3. Step 3: Cross multiply
    283,561.17x = 391,314.09 × 156,236.73
  4. Step 4: Simplify right side
    283,561.17x = 61,137,633,824.53
  5. Step 5: Solve for x
    x = 61,137,633,824.53/283,561.17
  6. Step 6: Final answer
    x = 215,606.51

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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.