Home / 353,414.12-530,118.68-143,049.02

Finding the Fourth Proportional to 353,414.12, 530,118.68 and 143,049.02

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Solution

The fourth proportional to 353,414.12, 530,118.68 and 143,049.02 is: 214,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,414.12 : 530,118.68 = 143,049.02 : x
  2. Step 2: Convert to fraction form
    353,414.12/530,118.68 = 143,049.02/x
  3. Step 3: Cross multiply
    353,414.12x = 530,118.68 × 143,049.02
  4. Step 4: Simplify right side
    353,414.12x = 75,832,954,291.86
  5. Step 5: Solve for x
    x = 75,832,954,291.86/353,414.12
  6. Step 6: Final answer
    x = 214,572.51

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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.