Home / 330,280.23-455,787.59-194,319.30

Finding the Fourth Proportional to 330,280.23, 455,787.59 and 194,319.30

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Solution

The fourth proportional to 330,280.23, 455,787.59 and 194,319.30 is: 268,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,280.23 : 455,787.59 = 194,319.30 : x
  2. Step 2: Convert to fraction form
    330,280.23/455,787.59 = 194,319.30/x
  3. Step 3: Cross multiply
    330,280.23x = 455,787.59 × 194,319.30
  4. Step 4: Simplify right side
    330,280.23x = 88,568,325,437.49
  5. Step 5: Solve for x
    x = 88,568,325,437.49/330,280.23
  6. Step 6: Final answer
    x = 268,161.15

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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.