Home / 283,795.95-391,620.56-156,472.59

Finding the Fourth Proportional to 283,795.95, 391,620.56 and 156,472.59

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Solution

The fourth proportional to 283,795.95, 391,620.56 and 156,472.59 is: 215,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795.95 : 391,620.56 = 156,472.59 : x
  2. Step 2: Convert to fraction form
    283,795.95/391,620.56 = 156,472.59/x
  3. Step 3: Cross multiply
    283,795.95x = 391,620.56 × 156,472.59
  4. Step 4: Simplify right side
    283,795.95x = 61,277,882,538.09
  5. Step 5: Solve for x
    x = 61,277,882,538.09/283,795.95
  6. Step 6: Final answer
    x = 215,922.33

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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.