Home / 283,791.08-391,631.46-156,468.80

Finding the Fourth Proportional to 283,791.08, 391,631.46 and 156,468.80

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Solution

The fourth proportional to 283,791.08, 391,631.46 and 156,468.80 is: 215,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,791.08 : 391,631.46 = 156,468.80 : x
  2. Step 2: Convert to fraction form
    283,791.08/391,631.46 = 156,468.80/x
  3. Step 3: Cross multiply
    283,791.08x = 391,631.46 × 156,468.80
  4. Step 4: Simplify right side
    283,791.08x = 61,278,104,588.45
  5. Step 5: Solve for x
    x = 61,278,104,588.45/283,791.08
  6. Step 6: Final answer
    x = 215,926.82

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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.