Home / 148,418.70-204,829.47-91,848.30

Finding the Fourth Proportional to 148,418.70, 204,829.47 and 91,848.30

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Solution

The fourth proportional to 148,418.70, 204,829.47 and 91,848.30 is: 126,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,418.70 : 204,829.47 = 91,848.30 : x
  2. Step 2: Convert to fraction form
    148,418.70/204,829.47 = 91,848.30/x
  3. Step 3: Cross multiply
    148,418.70x = 204,829.47 × 91,848.30
  4. Step 4: Simplify right side
    148,418.70x = 18,813,238,609.40
  5. Step 5: Solve for x
    x = 18,813,238,609.40/148,418.70
  6. Step 6: Final answer
    x = 126,757.87

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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.