Home / 486,167.16-729,250.72-131,181.18

Finding the Fourth Proportional to 486,167.16, 729,250.72 and 131,181.18

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Solution

The fourth proportional to 486,167.16, 729,250.72 and 131,181.18 is: 196,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,167.16 : 729,250.72 = 131,181.18 : x
  2. Step 2: Convert to fraction form
    486,167.16/729,250.72 = 131,181.18/x
  3. Step 3: Cross multiply
    486,167.16x = 729,250.72 × 131,181.18
  4. Step 4: Simplify right side
    486,167.16x = 95,663,969,965.45
  5. Step 5: Solve for x
    x = 95,663,969,965.45/486,167.16
  6. Step 6: Final answer
    x = 196,771.76

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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.