Home / 154,939.38-232,507.38-66,193.56

Finding the Fourth Proportional to 154,939.38, 232,507.38 and 66,193.56

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Solution

The fourth proportional to 154,939.38, 232,507.38 and 66,193.56 is: 99,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,939.38 : 232,507.38 = 66,193.56 : x
  2. Step 2: Convert to fraction form
    154,939.38/232,507.38 = 66,193.56/x
  3. Step 3: Cross multiply
    154,939.38x = 232,507.38 × 66,193.56
  4. Step 4: Simplify right side
    154,939.38x = 15,390,491,208.47
  5. Step 5: Solve for x
    x = 15,390,491,208.47/154,939.38
  6. Step 6: Final answer
    x = 99,332.34

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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.