Home / 261,344.20-392,213.58-191,404.84

Finding the Fourth Proportional to 261,344.20, 392,213.58 and 191,404.84

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Solution

The fourth proportional to 261,344.20, 392,213.58 and 191,404.84 is: 287,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,344.20 : 392,213.58 = 191,404.84 : x
  2. Step 2: Convert to fraction form
    261,344.20/392,213.58 = 191,404.84/x
  3. Step 3: Cross multiply
    261,344.20x = 392,213.58 × 191,404.84
  4. Step 4: Simplify right side
    261,344.20x = 75,071,577,525.73
  5. Step 5: Solve for x
    x = 75,071,577,525.73/261,344.20
  6. Step 6: Final answer
    x = 287,251.75

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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.