Home / 138,749.04-208,123.92-33,567.84

Finding the Fourth Proportional to 138,749.04, 208,123.92 and 33,567.84

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Solution

The fourth proportional to 138,749.04, 208,123.92 and 33,567.84 is: 50,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749.04 : 208,123.92 = 33,567.84 : x
  2. Step 2: Convert to fraction form
    138,749.04/208,123.92 = 33,567.84/x
  3. Step 3: Cross multiply
    138,749.04x = 208,123.92 × 33,567.84
  4. Step 4: Simplify right side
    138,749.04x = 6,986,270,446.73
  5. Step 5: Solve for x
    x = 6,986,270,446.73/138,749.04
  6. Step 6: Final answer
    x = 50,351.85

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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.