Home / 306,046.20-459,069.30-193,853.10

Finding the Fourth Proportional to 306,046.20, 459,069.30 and 193,853.10

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Solution

The fourth proportional to 306,046.20, 459,069.30 and 193,853.10 is: 290,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,046.20 : 459,069.30 = 193,853.10 : x
  2. Step 2: Convert to fraction form
    306,046.20/459,069.30 = 193,853.10/x
  3. Step 3: Cross multiply
    306,046.20x = 459,069.30 × 193,853.10
  4. Step 4: Simplify right side
    306,046.20x = 88,992,006,919.83
  5. Step 5: Solve for x
    x = 88,992,006,919.83/306,046.20
  6. Step 6: Final answer
    x = 290,779.65

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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.