Home / 166,792.45-229,944.78-105,508.15

Finding the Fourth Proportional to 166,792.45, 229,944.78 and 105,508.15

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Solution

The fourth proportional to 166,792.45, 229,944.78 and 105,508.15 is: 145,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,792.45 : 229,944.78 = 105,508.15 : x
  2. Step 2: Convert to fraction form
    166,792.45/229,944.78 = 105,508.15/x
  3. Step 3: Cross multiply
    166,792.45x = 229,944.78 × 105,508.15
  4. Step 4: Simplify right side
    166,792.45x = 24,261,048,339.96
  5. Step 5: Solve for x
    x = 24,261,048,339.96/166,792.45
  6. Step 6: Final answer
    x = 145,456.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.