Home / 283,747.08-391,573.56-156,427.20

Finding the Fourth Proportional to 283,747.08, 391,573.56 and 156,427.20

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Solution

The fourth proportional to 283,747.08, 391,573.56 and 156,427.20 is: 215,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,747.08 : 391,573.56 = 156,427.20 : x
  2. Step 2: Convert to fraction form
    283,747.08/391,573.56 = 156,427.20/x
  3. Step 3: Cross multiply
    283,747.08x = 391,573.56 × 156,427.20
  4. Step 4: Simplify right side
    283,747.08x = 61,252,755,584.83
  5. Step 5: Solve for x
    x = 61,252,755,584.83/283,747.08
  6. Step 6: Final answer
    x = 215,870.96

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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.