Home / 283,429.14-391,114.26-156,104.73

Finding the Fourth Proportional to 283,429.14, 391,114.26 and 156,104.73

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Solution

The fourth proportional to 283,429.14, 391,114.26 and 156,104.73 is: 215,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,429.14 : 391,114.26 = 156,104.73 : x
  2. Step 2: Convert to fraction form
    283,429.14/391,114.26 = 156,104.73/x
  3. Step 3: Cross multiply
    283,429.14x = 391,114.26 × 156,104.73
  4. Step 4: Simplify right side
    283,429.14x = 61,054,785,956.45
  5. Step 5: Solve for x
    x = 61,054,785,956.45/283,429.14
  6. Step 6: Final answer
    x = 215,414.64

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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.