Home / 252,040.91-347,816.30-138,863.66

Finding the Fourth Proportional to 252,040.91, 347,816.30 and 138,863.66

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Solution

The fourth proportional to 252,040.91, 347,816.30 and 138,863.66 is: 191,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.91 : 347,816.30 = 138,863.66 : x
  2. Step 2: Convert to fraction form
    252,040.91/347,816.30 = 138,863.66/x
  3. Step 3: Cross multiply
    252,040.91x = 347,816.30 × 138,863.66
  4. Step 4: Simplify right side
    252,040.91x = 48,299,044,425.66
  5. Step 5: Solve for x
    x = 48,299,044,425.66/252,040.91
  6. Step 6: Final answer
    x = 191,631.76

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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.