Home / 113,710.20-169,723.11-106,706.04

Finding the Fourth Proportional to 113,710.20, 169,723.11 and 106,706.04

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Solution

The fourth proportional to 113,710.20, 169,723.11 and 106,706.04 is: 159,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,710.20 : 169,723.11 = 106,706.04 : x
  2. Step 2: Convert to fraction form
    113,710.20/169,723.11 = 106,706.04/x
  3. Step 3: Cross multiply
    113,710.20x = 169,723.11 × 106,706.04
  4. Step 4: Simplify right side
    113,710.20x = 18,110,480,964.58
  5. Step 5: Solve for x
    x = 18,110,480,964.58/113,710.20
  6. Step 6: Final answer
    x = 159,268.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.