Home / 334,721.60-502,079.20-82,003.20

Finding the Fourth Proportional to 334,721.60, 502,079.20 and 82,003.20

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Solution

The fourth proportional to 334,721.60, 502,079.20 and 82,003.20 is: 123,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,721.60 : 502,079.20 = 82,003.20 : x
  2. Step 2: Convert to fraction form
    334,721.60/502,079.20 = 82,003.20/x
  3. Step 3: Cross multiply
    334,721.60x = 502,079.20 × 82,003.20
  4. Step 4: Simplify right side
    334,721.60x = 41,172,101,053.44
  5. Step 5: Solve for x
    x = 41,172,101,053.44/334,721.60
  6. Step 6: Final answer
    x = 123,004.02

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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.