Home / 383,760.92-575,774.15-131,219.18

Finding the Fourth Proportional to 383,760.92, 575,774.15 and 131,219.18

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Solution

The fourth proportional to 383,760.92, 575,774.15 and 131,219.18 is: 196,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,760.92 : 575,774.15 = 131,219.18 : x
  2. Step 2: Convert to fraction form
    383,760.92/575,774.15 = 131,219.18/x
  3. Step 3: Cross multiply
    383,760.92x = 575,774.15 × 131,219.18
  4. Step 4: Simplify right side
    383,760.92x = 75,552,608,293.23
  5. Step 5: Solve for x
    x = 75,552,608,293.23/383,760.92
  6. Step 6: Final answer
    x = 196,874.16

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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.