Home / 179,120.88-247,186.80-98,546.68

Finding the Fourth Proportional to 179,120.88, 247,186.80 and 98,546.68

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Solution

The fourth proportional to 179,120.88, 247,186.80 and 98,546.68 is: 135,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,120.88 : 247,186.80 = 98,546.68 : x
  2. Step 2: Convert to fraction form
    179,120.88/247,186.80 = 98,546.68/x
  3. Step 3: Cross multiply
    179,120.88x = 247,186.80 × 98,546.68
  4. Step 4: Simplify right side
    179,120.88x = 24,359,438,479.82
  5. Step 5: Solve for x
    x = 24,359,438,479.82/179,120.88
  6. Step 6: Final answer
    x = 135,994.41

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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.