Home / 290,832.10-435,924.15-113,280.10

Finding the Fourth Proportional to 290,832.10, 435,924.15 and 113,280.10

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Solution

The fourth proportional to 290,832.10, 435,924.15 and 113,280.10 is: 169,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,832.10 : 435,924.15 = 113,280.10 : x
  2. Step 2: Convert to fraction form
    290,832.10/435,924.15 = 113,280.10/x
  3. Step 3: Cross multiply
    290,832.10x = 435,924.15 × 113,280.10
  4. Step 4: Simplify right side
    290,832.10x = 49,381,531,304.42
  5. Step 5: Solve for x
    x = 49,381,531,304.42/290,832.10
  6. Step 6: Final answer
    x = 169,793.95

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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.