Home / 199,748.87-275,752.85-123,310.10

Finding the Fourth Proportional to 199,748.87, 275,752.85 and 123,310.10

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Solution

The fourth proportional to 199,748.87, 275,752.85 and 123,310.10 is: 170,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,748.87 : 275,752.85 = 123,310.10 : x
  2. Step 2: Convert to fraction form
    199,748.87/275,752.85 = 123,310.10/x
  3. Step 3: Cross multiply
    199,748.87x = 275,752.85 × 123,310.10
  4. Step 4: Simplify right side
    199,748.87x = 34,003,110,438.30
  5. Step 5: Solve for x
    x = 34,003,110,438.30/199,748.87
  6. Step 6: Final answer
    x = 170,229.30

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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.