Home / 147,624.60-221,469.30-47,767.80

Finding the Fourth Proportional to 147,624.60, 221,469.30 and 47,767.80

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Solution

The fourth proportional to 147,624.60, 221,469.30 and 47,767.80 is: 71,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624.60 : 221,469.30 = 47,767.80 : x
  2. Step 2: Convert to fraction form
    147,624.60/221,469.30 = 47,767.80/x
  3. Step 3: Cross multiply
    147,624.60x = 221,469.30 × 47,767.80
  4. Step 4: Simplify right side
    147,624.60x = 10,579,101,228.54
  5. Step 5: Solve for x
    x = 10,579,101,228.54/147,624.60
  6. Step 6: Final answer
    x = 71,662.18

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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.