Home / 169,279.92-253,922.04-75,766.32

Finding the Fourth Proportional to 169,279.92, 253,922.04 and 75,766.32

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Solution

The fourth proportional to 169,279.92, 253,922.04 and 75,766.32 is: 113,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,279.92 : 253,922.04 = 75,766.32 : x
  2. Step 2: Convert to fraction form
    169,279.92/253,922.04 = 75,766.32/x
  3. Step 3: Cross multiply
    169,279.92x = 253,922.04 × 75,766.32
  4. Step 4: Simplify right side
    169,279.92x = 19,238,738,537.69
  5. Step 5: Solve for x
    x = 19,238,738,537.69/169,279.92
  6. Step 6: Final answer
    x = 113,650.45

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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.