Home / 113,281.13-169,942.10-92,406.25

Finding the Fourth Proportional to 113,281.13, 169,942.10 and 92,406.25

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Solution

The fourth proportional to 113,281.13, 169,942.10 and 92,406.25 is: 138,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,281.13 : 169,942.10 = 92,406.25 : x
  2. Step 2: Convert to fraction form
    113,281.13/169,942.10 = 92,406.25/x
  3. Step 3: Cross multiply
    113,281.13x = 169,942.10 × 92,406.25
  4. Step 4: Simplify right side
    113,281.13x = 15,703,711,716.09
  5. Step 5: Solve for x
    x = 15,703,711,716.09/113,281.13
  6. Step 6: Final answer
    x = 138,626.02

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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.