Home / 104,234.06-143,850.20-63,414.11

Finding the Fourth Proportional to 104,234.06, 143,850.20 and 63,414.11

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Solution

The fourth proportional to 104,234.06, 143,850.20 and 63,414.11 is: 87,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,234.06 : 143,850.20 = 63,414.11 : x
  2. Step 2: Convert to fraction form
    104,234.06/143,850.20 = 63,414.11/x
  3. Step 3: Cross multiply
    104,234.06x = 143,850.20 × 63,414.11
  4. Step 4: Simplify right side
    104,234.06x = 9,122,132,448.88
  5. Step 5: Solve for x
    x = 9,122,132,448.88/104,234.06
  6. Step 6: Final answer
    x = 87,515.85

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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.