Home / 268,680.45-370,778.99-147,819.14

Finding the Fourth Proportional to 268,680.45, 370,778.99 and 147,819.14

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Solution

The fourth proportional to 268,680.45, 370,778.99 and 147,819.14 is: 203,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,680.45 : 370,778.99 = 147,819.14 : x
  2. Step 2: Convert to fraction form
    268,680.45/370,778.99 = 147,819.14/x
  3. Step 3: Cross multiply
    268,680.45x = 370,778.99 × 147,819.14
  4. Step 4: Simplify right side
    268,680.45x = 54,808,231,431.87
  5. Step 5: Solve for x
    x = 54,808,231,431.87/268,680.45
  6. Step 6: Final answer
    x = 203,990.40

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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.