Home / 105,246.26-157,867.14-34,168.78

Finding the Fourth Proportional to 105,246.26, 157,867.14 and 34,168.78

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Solution

The fourth proportional to 105,246.26, 157,867.14 and 34,168.78 is: 51,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,246.26 : 157,867.14 = 34,168.78 : x
  2. Step 2: Convert to fraction form
    105,246.26/157,867.14 = 34,168.78/x
  3. Step 3: Cross multiply
    105,246.26x = 157,867.14 × 34,168.78
  4. Step 4: Simplify right side
    105,246.26x = 5,394,127,575.89
  5. Step 5: Solve for x
    x = 5,394,127,575.89/105,246.26
  6. Step 6: Final answer
    x = 51,252.44

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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.