Home / 187,469.96-281,203.58-75,148.54

Finding the Fourth Proportional to 187,469.96, 281,203.58 and 75,148.54

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Solution

The fourth proportional to 187,469.96, 281,203.58 and 75,148.54 is: 112,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.96 : 281,203.58 = 75,148.54 : x
  2. Step 2: Convert to fraction form
    187,469.96/281,203.58 = 75,148.54/x
  3. Step 3: Cross multiply
    187,469.96x = 281,203.58 × 75,148.54
  4. Step 4: Simplify right side
    187,469.96x = 21,132,037,401.02
  5. Step 5: Solve for x
    x = 21,132,037,401.02/187,469.96
  6. Step 6: Final answer
    x = 112,722.26

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1.5x scale

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.