Home / 179,276.80-247,399.92-98,702.62

Finding the Fourth Proportional to 179,276.80, 247,399.92 and 98,702.62

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Solution

The fourth proportional to 179,276.80, 247,399.92 and 98,702.62 is: 136,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,276.80 : 247,399.92 = 98,702.62 : x
  2. Step 2: Convert to fraction form
    179,276.80/247,399.92 = 98,702.62/x
  3. Step 3: Cross multiply
    179,276.80x = 247,399.92 × 98,702.62
  4. Step 4: Simplify right side
    179,276.80x = 24,419,020,291.79
  5. Step 5: Solve for x
    x = 24,419,020,291.79/179,276.80
  6. Step 6: Final answer
    x = 136,208.48

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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.