Home / 283,514.85-391,250.43-156,190.46

Finding the Fourth Proportional to 283,514.85, 391,250.43 and 156,190.46

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Solution

The fourth proportional to 283,514.85, 391,250.43 and 156,190.46 is: 215,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,514.85 : 391,250.43 = 156,190.46 : x
  2. Step 2: Convert to fraction form
    283,514.85/391,250.43 = 156,190.46/x
  3. Step 3: Cross multiply
    283,514.85x = 391,250.43 × 156,190.46
  4. Step 4: Simplify right side
    283,514.85x = 61,109,582,680.65
  5. Step 5: Solve for x
    x = 61,109,582,680.65/283,514.85
  6. Step 6: Final answer
    x = 215,542.79

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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.