Home / 147,626.60-221,472.30-47,769.80

Finding the Fourth Proportional to 147,626.60, 221,472.30 and 47,769.80

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Solution

The fourth proportional to 147,626.60, 221,472.30 and 47,769.80 is: 71,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626.60 : 221,472.30 = 47,769.80 : x
  2. Step 2: Convert to fraction form
    147,626.60/221,472.30 = 47,769.80/x
  3. Step 3: Cross multiply
    147,626.60x = 221,472.30 × 47,769.80
  4. Step 4: Simplify right side
    147,626.60x = 10,579,687,476.54
  5. Step 5: Solve for x
    x = 10,579,687,476.54/147,626.60
  6. Step 6: Final answer
    x = 71,665.18

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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.