Home / 252,691.12-348,704.76-139,513.60

Finding the Fourth Proportional to 252,691.12, 348,704.76 and 139,513.60

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Solution

The fourth proportional to 252,691.12, 348,704.76 and 139,513.60 is: 192,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,691.12 : 348,704.76 = 139,513.60 : x
  2. Step 2: Convert to fraction form
    252,691.12/348,704.76 = 139,513.60/x
  3. Step 3: Cross multiply
    252,691.12x = 348,704.76 × 139,513.60
  4. Step 4: Simplify right side
    252,691.12x = 48,649,056,404.74
  5. Step 5: Solve for x
    x = 48,649,056,404.74/252,691.12
  6. Step 6: Final answer
    x = 192,523.81

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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.