Home / 113,344.30-169,870.65-68,923.90

Finding the Fourth Proportional to 113,344.30, 169,870.65 and 68,923.90

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Solution

The fourth proportional to 113,344.30, 169,870.65 and 68,923.90 is: 103,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,344.30 : 169,870.65 = 68,923.90 : x
  2. Step 2: Convert to fraction form
    113,344.30/169,870.65 = 68,923.90/x
  3. Step 3: Cross multiply
    113,344.30x = 169,870.65 × 68,923.90
  4. Step 4: Simplify right side
    113,344.30x = 11,708,147,693.54
  5. Step 5: Solve for x
    x = 11,708,147,693.54/113,344.30
  6. Step 6: Final answer
    x = 103,297.19

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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.