Home / 147,351.31-203,256.18-89,964.43

Finding the Fourth Proportional to 147,351.31, 203,256.18 and 89,964.43

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Solution

The fourth proportional to 147,351.31, 203,256.18 and 89,964.43 is: 124,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,351.31 : 203,256.18 = 89,964.43 : x
  2. Step 2: Convert to fraction form
    147,351.31/203,256.18 = 89,964.43/x
  3. Step 3: Cross multiply
    147,351.31x = 203,256.18 × 89,964.43
  4. Step 4: Simplify right side
    147,351.31x = 18,285,826,377.68
  5. Step 5: Solve for x
    x = 18,285,826,377.68/147,351.31
  6. Step 6: Final answer
    x = 124,096.80

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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.