Home / 150,068.40-207,089.98-82,083.90

Finding the Fourth Proportional to 150,068.40, 207,089.98 and 82,083.90

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Solution

The fourth proportional to 150,068.40, 207,089.98 and 82,083.90 is: 113,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,068.40 : 207,089.98 = 82,083.90 : x
  2. Step 2: Convert to fraction form
    150,068.40/207,089.98 = 82,083.90/x
  3. Step 3: Cross multiply
    150,068.40x = 207,089.98 × 82,083.90
  4. Step 4: Simplify right side
    150,068.40x = 16,998,753,209.32
  5. Step 5: Solve for x
    x = 16,998,753,209.32/150,068.40
  6. Step 6: Final answer
    x = 113,273.37

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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.