Home / 269,217.55-403,983.31-100,856.15

Finding the Fourth Proportional to 269,217.55, 403,983.31 and 100,856.15

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Solution

The fourth proportional to 269,217.55, 403,983.31 and 100,856.15 is: 151,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,217.55 : 403,983.31 = 100,856.15 : x
  2. Step 2: Convert to fraction form
    269,217.55/403,983.31 = 100,856.15/x
  3. Step 3: Cross multiply
    269,217.55x = 403,983.31 × 100,856.15
  4. Step 4: Simplify right side
    269,217.55x = 40,744,199,038.80
  5. Step 5: Solve for x
    x = 40,744,199,038.80/269,217.55
  6. Step 6: Final answer
    x = 151,343.03

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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.