Home / 330,282.17-455,790.27-194,321.24

Finding the Fourth Proportional to 330,282.17, 455,790.27 and 194,321.24

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Solution

The fourth proportional to 330,282.17, 455,790.27 and 194,321.24 is: 268,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,282.17 : 455,790.27 = 194,321.24 : x
  2. Step 2: Convert to fraction form
    330,282.17/455,790.27 = 194,321.24/x
  3. Step 3: Cross multiply
    330,282.17x = 455,790.27 × 194,321.24
  4. Step 4: Simplify right side
    330,282.17x = 88,569,728,167.38
  5. Step 5: Solve for x
    x = 88,569,728,167.38/330,282.17
  6. Step 6: Final answer
    x = 268,163.82

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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.