Home / 147,793.36-203,950.56-80,725.36

Finding the Fourth Proportional to 147,793.36, 203,950.56 and 80,725.36

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Solution

The fourth proportional to 147,793.36, 203,950.56 and 80,725.36 is: 111,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,793.36 : 203,950.56 = 80,725.36 : x
  2. Step 2: Convert to fraction form
    147,793.36/203,950.56 = 80,725.36/x
  3. Step 3: Cross multiply
    147,793.36x = 203,950.56 × 80,725.36
  4. Step 4: Simplify right side
    147,793.36x = 16,463,982,378.20
  5. Step 5: Solve for x
    x = 16,463,982,378.20/147,793.36
  6. Step 6: Final answer
    x = 111,398.66

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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.