Home / 179,231.76-247,323.78-98,658.36

Finding the Fourth Proportional to 179,231.76, 247,323.78 and 98,658.36

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Solution

The fourth proportional to 179,231.76, 247,323.78 and 98,658.36 is: 136,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,231.76 : 247,323.78 = 98,658.36 : x
  2. Step 2: Convert to fraction form
    179,231.76/247,323.78 = 98,658.36/x
  3. Step 3: Cross multiply
    179,231.76x = 247,323.78 × 98,658.36
  4. Step 4: Simplify right side
    179,231.76x = 24,400,558,523.80
  5. Step 5: Solve for x
    x = 24,400,558,523.80/179,231.76
  6. Step 6: Final answer
    x = 136,139.70

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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.