Home / 147,121.23-220,714.65-53,626.98

Finding the Fourth Proportional to 147,121.23, 220,714.65 and 53,626.98

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Solution

The fourth proportional to 147,121.23, 220,714.65 and 53,626.98 is: 80,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,121.23 : 220,714.65 = 53,626.98 : x
  2. Step 2: Convert to fraction form
    147,121.23/220,714.65 = 53,626.98/x
  3. Step 3: Cross multiply
    147,121.23x = 220,714.65 × 53,626.98
  4. Step 4: Simplify right side
    147,121.23x = 11,836,260,121.26
  5. Step 5: Solve for x
    x = 11,836,260,121.26/147,121.23
  6. Step 6: Final answer
    x = 80,452.43

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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.