Home / 327,323.40-451,699.18-189,508.14

Finding the Fourth Proportional to 327,323.40, 451,699.18 and 189,508.14

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Solution

The fourth proportional to 327,323.40, 451,699.18 and 189,508.14 is: 261,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,323.40 : 451,699.18 = 189,508.14 : x
  2. Step 2: Convert to fraction form
    327,323.40/451,699.18 = 189,508.14/x
  3. Step 3: Cross multiply
    327,323.40x = 451,699.18 × 189,508.14
  4. Step 4: Simplify right side
    327,323.40x = 85,600,671,441.33
  5. Step 5: Solve for x
    x = 85,600,671,441.33/327,323.40
  6. Step 6: Final answer
    x = 261,517.12

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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.