Home / 283,811.56-391,677.60-156,486.96

Finding the Fourth Proportional to 283,811.56, 391,677.60 and 156,486.96

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Solution

The fourth proportional to 283,811.56, 391,677.60 and 156,486.96 is: 215,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,811.56 : 391,677.60 = 156,486.96 : x
  2. Step 2: Convert to fraction form
    283,811.56/391,677.60 = 156,486.96/x
  3. Step 3: Cross multiply
    283,811.56x = 391,677.60 × 156,486.96
  4. Step 4: Simplify right side
    283,811.56x = 61,292,436,924.10
  5. Step 5: Solve for x
    x = 61,292,436,924.10/283,811.56
  6. Step 6: Final answer
    x = 215,961.74

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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.