Home / 113,260.52-169,868.10-107,640.20

Finding the Fourth Proportional to 113,260.52, 169,868.10 and 107,640.20

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Solution

The fourth proportional to 113,260.52, 169,868.10 and 107,640.20 is: 161,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,260.52 : 169,868.10 = 107,640.20 : x
  2. Step 2: Convert to fraction form
    113,260.52/169,868.10 = 107,640.20/x
  3. Step 3: Cross multiply
    113,260.52x = 169,868.10 × 107,640.20
  4. Step 4: Simplify right side
    113,260.52x = 18,284,636,257.62
  5. Step 5: Solve for x
    x = 18,284,636,257.62/113,260.52
  6. Step 6: Final answer
    x = 161,438.75

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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.