Home / 147,648.75-221,505.42-47,819.03

Finding the Fourth Proportional to 147,648.75, 221,505.42 and 47,819.03

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Solution

The fourth proportional to 147,648.75, 221,505.42 and 47,819.03 is: 71,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.75 : 221,505.42 = 47,819.03 : x
  2. Step 2: Convert to fraction form
    147,648.75/221,505.42 = 47,819.03/x
  3. Step 3: Cross multiply
    147,648.75x = 221,505.42 × 47,819.03
  4. Step 4: Simplify right side
    147,648.75x = 10,592,174,372.92
  5. Step 5: Solve for x
    x = 10,592,174,372.92/147,648.75
  6. Step 6: Final answer
    x = 71,739.01

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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.