Home / 199,738.28-275,644.78-109,095.76

Finding the Fourth Proportional to 199,738.28, 275,644.78 and 109,095.76

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Solution

The fourth proportional to 199,738.28, 275,644.78 and 109,095.76 is: 150,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,738.28 : 275,644.78 = 109,095.76 : x
  2. Step 2: Convert to fraction form
    199,738.28/275,644.78 = 109,095.76/x
  3. Step 3: Cross multiply
    199,738.28x = 275,644.78 × 109,095.76
  4. Step 4: Simplify right side
    199,738.28x = 30,071,677,257.84
  5. Step 5: Solve for x
    x = 30,071,677,257.84/199,738.28
  6. Step 6: Final answer
    x = 150,555.40

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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.