Home / 330,280.10-455,787.42-194,319.17

Finding the Fourth Proportional to 330,280.10, 455,787.42 and 194,319.17

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Solution

The fourth proportional to 330,280.10, 455,787.42 and 194,319.17 is: 268,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,280.10 : 455,787.42 = 194,319.17 : x
  2. Step 2: Convert to fraction form
    330,280.10/455,787.42 = 194,319.17/x
  3. Step 3: Cross multiply
    330,280.10x = 455,787.42 × 194,319.17
  4. Step 4: Simplify right side
    330,280.10x = 88,568,233,561.61
  5. Step 5: Solve for x
    x = 88,568,233,561.61/330,280.10
  6. Step 6: Final answer
    x = 268,160.97

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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.