Home / 224,609.23-309,961.38-122,635.57

Finding the Fourth Proportional to 224,609.23, 309,961.38 and 122,635.57

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Solution

The fourth proportional to 224,609.23, 309,961.38 and 122,635.57 is: 169,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,609.23 : 309,961.38 = 122,635.57 : x
  2. Step 2: Convert to fraction form
    224,609.23/309,961.38 = 122,635.57/x
  3. Step 3: Cross multiply
    224,609.23x = 309,961.38 × 122,635.57
  4. Step 4: Simplify right side
    224,609.23x = 38,012,290,780.44
  5. Step 5: Solve for x
    x = 38,012,290,780.44/224,609.23
  6. Step 6: Final answer
    x = 169,237.44

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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.