Home / 334,720.60-502,077.70-82,002.20

Finding the Fourth Proportional to 334,720.60, 502,077.70 and 82,002.20

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Solution

The fourth proportional to 334,720.60, 502,077.70 and 82,002.20 is: 123,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,720.60 : 502,077.70 = 82,002.20 : x
  2. Step 2: Convert to fraction form
    334,720.60/502,077.70 = 82,002.20/x
  3. Step 3: Cross multiply
    334,720.60x = 502,077.70 × 82,002.20
  4. Step 4: Simplify right side
    334,720.60x = 41,171,475,970.94
  5. Step 5: Solve for x
    x = 41,171,475,970.94/334,720.60
  6. Step 6: Final answer
    x = 123,002.52

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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.