Home / 179,724.40-269,068.20-120,626.80

Finding the Fourth Proportional to 179,724.40, 269,068.20 and 120,626.80

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Solution

The fourth proportional to 179,724.40, 269,068.20 and 120,626.80 is: 180,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,724.40 : 269,068.20 = 120,626.80 : x
  2. Step 2: Convert to fraction form
    179,724.40/269,068.20 = 120,626.80/x
  3. Step 3: Cross multiply
    179,724.40x = 269,068.20 × 120,626.80
  4. Step 4: Simplify right side
    179,724.40x = 32,456,835,947.76
  5. Step 5: Solve for x
    x = 32,456,835,947.76/179,724.40
  6. Step 6: Final answer
    x = 180,592.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.