Home / 113,914.44-157,167.52-66,158.56

Finding the Fourth Proportional to 113,914.44, 157,167.52 and 66,158.56

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Solution

The fourth proportional to 113,914.44, 157,167.52 and 66,158.56 is: 91,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,914.44 : 157,167.52 = 66,158.56 : x
  2. Step 2: Convert to fraction form
    113,914.44/157,167.52 = 66,158.56/x
  3. Step 3: Cross multiply
    113,914.44x = 157,167.52 × 66,158.56
  4. Step 4: Simplify right side
    113,914.44x = 10,397,976,801.97
  5. Step 5: Solve for x
    x = 10,397,976,801.97/113,914.44
  6. Step 6: Final answer
    x = 91,278.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.