Home / 105,454.46-158,198.11-34,360.55

Finding the Fourth Proportional to 105,454.46, 158,198.11 and 34,360.55

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Solution

The fourth proportional to 105,454.46, 158,198.11 and 34,360.55 is: 51,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,454.46 : 158,198.11 = 34,360.55 : x
  2. Step 2: Convert to fraction form
    105,454.46/158,198.11 = 34,360.55/x
  3. Step 3: Cross multiply
    105,454.46x = 158,198.11 × 34,360.55
  4. Step 4: Simplify right side
    105,454.46x = 5,435,774,868.05
  5. Step 5: Solve for x
    x = 5,435,774,868.05/105,454.46
  6. Step 6: Final answer
    x = 51,546.18

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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.