Home / 179,079.56-247,147.89-102,608.79

Finding the Fourth Proportional to 179,079.56, 247,147.89 and 102,608.79

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Solution

The fourth proportional to 179,079.56, 247,147.89 and 102,608.79 is: 141,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,079.56 : 247,147.89 = 102,608.79 : x
  2. Step 2: Convert to fraction form
    179,079.56/247,147.89 = 102,608.79/x
  3. Step 3: Cross multiply
    179,079.56x = 247,147.89 × 102,608.79
  4. Step 4: Simplify right side
    179,079.56x = 25,359,545,943.95
  5. Step 5: Solve for x
    x = 25,359,545,943.95/179,079.56
  6. Step 6: Final answer
    x = 141,610.50

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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.