Home / 147,364.06-220,872.96-68,311.90

Finding the Fourth Proportional to 147,364.06, 220,872.96 and 68,311.90

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Solution

The fourth proportional to 147,364.06, 220,872.96 and 68,311.90 is: 102,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,364.06 : 220,872.96 = 68,311.90 : x
  2. Step 2: Convert to fraction form
    147,364.06/220,872.96 = 68,311.90/x
  3. Step 3: Cross multiply
    147,364.06x = 220,872.96 × 68,311.90
  4. Step 4: Simplify right side
    147,364.06x = 15,088,251,556.22
  5. Step 5: Solve for x
    x = 15,088,251,556.22/147,364.06
  6. Step 6: Final answer
    x = 102,387.59

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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.