Home / 147,141.32-203,040.96-82,595.78

Finding the Fourth Proportional to 147,141.32, 203,040.96 and 82,595.78

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Solution

The fourth proportional to 147,141.32, 203,040.96 and 82,595.78 is: 113,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,141.32 : 203,040.96 = 82,595.78 : x
  2. Step 2: Convert to fraction form
    147,141.32/203,040.96 = 82,595.78/x
  3. Step 3: Cross multiply
    147,141.32x = 203,040.96 × 82,595.78
  4. Step 4: Simplify right side
    147,141.32x = 16,770,326,463.15
  5. Step 5: Solve for x
    x = 16,770,326,463.15/147,141.32
  6. Step 6: Final answer
    x = 113,974.28

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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.