Home / 268,517.28-370,553.86-147,666.76

Finding the Fourth Proportional to 268,517.28, 370,553.86 and 147,666.76

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Solution

The fourth proportional to 268,517.28, 370,553.86 and 147,666.76 is: 203,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,517.28 : 370,553.86 = 147,666.76 : x
  2. Step 2: Convert to fraction form
    268,517.28/370,553.86 = 147,666.76/x
  3. Step 3: Cross multiply
    268,517.28x = 370,553.86 × 147,666.76
  4. Step 4: Simplify right side
    268,517.28x = 54,718,487,911.69
  5. Step 5: Solve for x
    x = 54,718,487,911.69/268,517.28
  6. Step 6: Final answer
    x = 203,780.14

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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.