Home / 347,472.12-479,513.38-196,565.88

Finding the Fourth Proportional to 347,472.12, 479,513.38 and 196,565.88

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Solution

The fourth proportional to 347,472.12, 479,513.38 and 196,565.88 is: 271,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,472.12 : 479,513.38 = 196,565.88 : x
  2. Step 2: Convert to fraction form
    347,472.12/479,513.38 = 196,565.88/x
  3. Step 3: Cross multiply
    347,472.12x = 479,513.38 × 196,565.88
  4. Step 4: Simplify right side
    347,472.12x = 94,255,969,511.47
  5. Step 5: Solve for x
    x = 94,255,969,511.47/347,472.12
  6. Step 6: Final answer
    x = 271,261.96

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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.