Home / 179,015.76-247,047.30-98,446.68

Finding the Fourth Proportional to 179,015.76, 247,047.30 and 98,446.68

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Solution

The fourth proportional to 179,015.76, 247,047.30 and 98,446.68 is: 135,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,015.76 : 247,047.30 = 98,446.68 : x
  2. Step 2: Convert to fraction form
    179,015.76/247,047.30 = 98,446.68/x
  3. Step 3: Cross multiply
    179,015.76x = 247,047.30 × 98,446.68
  4. Step 4: Simplify right side
    179,015.76x = 24,320,986,487.96
  5. Step 5: Solve for x
    x = 24,320,986,487.96/179,015.76
  6. Step 6: Final answer
    x = 135,859.47

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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.