Home / 252,949.56-379,472.94-112,707.78

Finding the Fourth Proportional to 252,949.56, 379,472.94 and 112,707.78

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Solution

The fourth proportional to 252,949.56, 379,472.94 and 112,707.78 is: 169,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,949.56 : 379,472.94 = 112,707.78 : x
  2. Step 2: Convert to fraction form
    252,949.56/379,472.94 = 112,707.78/x
  3. Step 3: Cross multiply
    252,949.56x = 379,472.94 × 112,707.78
  4. Step 4: Simplify right side
    252,949.56x = 42,769,552,637.47
  5. Step 5: Solve for x
    x = 42,769,552,637.47/252,949.56
  6. Step 6: Final answer
    x = 169,083.32

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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.