Home / 224,144.13-309,316.94-122,169.60

Finding the Fourth Proportional to 224,144.13, 309,316.94 and 122,169.60

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Solution

The fourth proportional to 224,144.13, 309,316.94 and 122,169.60 is: 168,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,144.13 : 309,316.94 = 122,169.60 : x
  2. Step 2: Convert to fraction form
    224,144.13/309,316.94 = 122,169.60/x
  3. Step 3: Cross multiply
    224,144.13x = 309,316.94 × 122,169.60
  4. Step 4: Simplify right side
    224,144.13x = 37,789,126,680.31
  5. Step 5: Solve for x
    x = 37,789,126,680.31/224,144.13
  6. Step 6: Final answer
    x = 168,592.98

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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.