Home / 147,286.33-203,242.66-82,750.52

Finding the Fourth Proportional to 147,286.33, 203,242.66 and 82,750.52

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Solution

The fourth proportional to 147,286.33, 203,242.66 and 82,750.52 is: 114,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,286.33 : 203,242.66 = 82,750.52 : x
  2. Step 2: Convert to fraction form
    147,286.33/203,242.66 = 82,750.52/x
  3. Step 3: Cross multiply
    147,286.33x = 203,242.66 × 82,750.52
  4. Step 4: Simplify right side
    147,286.33x = 16,818,435,801.18
  5. Step 5: Solve for x
    x = 16,818,435,801.18/147,286.33
  6. Step 6: Final answer
    x = 114,188.71

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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.