Home / 283,522.90-391,279.26-156,198.46

Finding the Fourth Proportional to 283,522.90, 391,279.26 and 156,198.46

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Solution

The fourth proportional to 283,522.90, 391,279.26 and 156,198.46 is: 215,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,522.90 : 391,279.26 = 156,198.46 : x
  2. Step 2: Convert to fraction form
    283,522.90/391,279.26 = 156,198.46/x
  3. Step 3: Cross multiply
    283,522.90x = 391,279.26 × 156,198.46
  4. Step 4: Simplify right side
    283,522.90x = 61,117,217,841.94
  5. Step 5: Solve for x
    x = 61,117,217,841.94/283,522.90
  6. Step 6: Final answer
    x = 215,563.60

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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.