Home / 224,144.57-309,319.74-122,170.11

Finding the Fourth Proportional to 224,144.57, 309,319.74 and 122,170.11

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Solution

The fourth proportional to 224,144.57, 309,319.74 and 122,170.11 is: 168,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,144.57 : 309,319.74 = 122,170.11 : x
  2. Step 2: Convert to fraction form
    224,144.57/309,319.74 = 122,170.11/x
  3. Step 3: Cross multiply
    224,144.57x = 309,319.74 × 122,170.11
  4. Step 4: Simplify right side
    224,144.57x = 37,789,626,660.97
  5. Step 5: Solve for x
    x = 37,789,626,660.97/224,144.57
  6. Step 6: Final answer
    x = 168,594.88

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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.