Home / 179,261.48-247,375.68-102,778.04

Finding the Fourth Proportional to 179,261.48, 247,375.68 and 102,778.04

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Solution

The fourth proportional to 179,261.48, 247,375.68 and 102,778.04 is: 141,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,261.48 : 247,375.68 = 102,778.04 : x
  2. Step 2: Convert to fraction form
    179,261.48/247,375.68 = 102,778.04/x
  3. Step 3: Cross multiply
    179,261.48x = 247,375.68 × 102,778.04
  4. Step 4: Simplify right side
    179,261.48x = 25,424,787,534.07
  5. Step 5: Solve for x
    x = 25,424,787,534.07/179,261.48
  6. Step 6: Final answer
    x = 141,830.74

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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.