Home / 231,461.28-347,191.92-219,641.76

Finding the Fourth Proportional to 231,461.28, 347,191.92 and 219,641.76

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Solution

The fourth proportional to 231,461.28, 347,191.92 and 219,641.76 is: 329,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,461.28 : 347,191.92 = 219,641.76 : x
  2. Step 2: Convert to fraction form
    231,461.28/347,191.92 = 219,641.76/x
  3. Step 3: Cross multiply
    231,461.28x = 347,191.92 × 219,641.76
  4. Step 4: Simplify right side
    231,461.28x = 76,257,844,366.58
  5. Step 5: Solve for x
    x = 76,257,844,366.58/231,461.28
  6. Step 6: Final answer
    x = 329,462.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.