Home / 179,781.71-247,994.00-115,227.95

Finding the Fourth Proportional to 179,781.71, 247,994.00 and 115,227.95

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Solution

The fourth proportional to 179,781.71, 247,994.00 and 115,227.95 is: 158,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.71 : 247,994.00 = 115,227.95 : x
  2. Step 2: Convert to fraction form
    179,781.71/247,994.00 = 115,227.95/x
  3. Step 3: Cross multiply
    179,781.71x = 247,994.00 × 115,227.95
  4. Step 4: Simplify right side
    179,781.71x = 28,575,838,416.19
  5. Step 5: Solve for x
    x = 28,575,838,416.19/179,781.71
  6. Step 6: Final answer
    x = 158,947.42

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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.