Home / 103,231.24-154,941.90-63,865.24

Finding the Fourth Proportional to 103,231.24, 154,941.90 and 63,865.24

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Solution

The fourth proportional to 103,231.24, 154,941.90 and 63,865.24 is: 95,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,231.24 : 154,941.90 = 63,865.24 : x
  2. Step 2: Convert to fraction form
    103,231.24/154,941.90 = 63,865.24/x
  3. Step 3: Cross multiply
    103,231.24x = 154,941.90 × 63,865.24
  4. Step 4: Simplify right side
    103,231.24x = 9,895,401,629.56
  5. Step 5: Solve for x
    x = 9,895,401,629.56/103,231.24
  6. Step 6: Final answer
    x = 95,856.66

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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.