Home / 179,387.28-247,557.48-102,906.48

Finding the Fourth Proportional to 179,387.28, 247,557.48 and 102,906.48

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Solution

The fourth proportional to 179,387.28, 247,557.48 and 102,906.48 is: 142,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,387.28 : 247,557.48 = 102,906.48 : x
  2. Step 2: Convert to fraction form
    179,387.28/247,557.48 = 102,906.48/x
  3. Step 3: Cross multiply
    179,387.28x = 247,557.48 × 102,906.48
  4. Step 4: Simplify right side
    179,387.28x = 25,475,268,864.47
  5. Step 5: Solve for x
    x = 25,475,268,864.47/179,387.28
  6. Step 6: Final answer
    x = 142,012.68

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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.