Home / 194,613.60-291,920.40-165,089.10

Finding the Fourth Proportional to 194,613.60, 291,920.40 and 165,089.10

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Solution

The fourth proportional to 194,613.60, 291,920.40 and 165,089.10 is: 247,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,613.60 : 291,920.40 = 165,089.10 : x
  2. Step 2: Convert to fraction form
    194,613.60/291,920.40 = 165,089.10/x
  3. Step 3: Cross multiply
    194,613.60x = 291,920.40 × 165,089.10
  4. Step 4: Simplify right side
    194,613.60x = 48,192,876,107.64
  5. Step 5: Solve for x
    x = 48,192,876,107.64/194,613.60
  6. Step 6: Final answer
    x = 247,633.65

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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.