Home / 224,144.35-309,319.45-122,169.90

Finding the Fourth Proportional to 224,144.35, 309,319.45 and 122,169.90

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Solution

The fourth proportional to 224,144.35, 309,319.45 and 122,169.90 is: 168,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,144.35 : 309,319.45 = 122,169.90 : x
  2. Step 2: Convert to fraction form
    224,144.35/309,319.45 = 122,169.90/x
  3. Step 3: Cross multiply
    224,144.35x = 309,319.45 × 122,169.90
  4. Step 4: Simplify right side
    224,144.35x = 37,789,526,274.56
  5. Step 5: Solve for x
    x = 37,789,526,274.56/224,144.35
  6. Step 6: Final answer
    x = 168,594.60

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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.