Home / 283,799.41-391,645.83-156,479.53

Finding the Fourth Proportional to 283,799.41, 391,645.83 and 156,479.53

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Solution

The fourth proportional to 283,799.41, 391,645.83 and 156,479.53 is: 215,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,799.41 : 391,645.83 = 156,479.53 : x
  2. Step 2: Convert to fraction form
    283,799.41/391,645.83 = 156,479.53/x
  3. Step 3: Cross multiply
    283,799.41x = 391,645.83 × 156,479.53
  4. Step 4: Simplify right side
    283,799.41x = 61,284,553,446.63
  5. Step 5: Solve for x
    x = 61,284,553,446.63/283,799.41
  6. Step 6: Final answer
    x = 215,943.21

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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.