Home / 132,448.75-198,673.05-38,954.50

Finding the Fourth Proportional to 132,448.75, 198,673.05 and 38,954.50

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Solution

The fourth proportional to 132,448.75, 198,673.05 and 38,954.50 is: 58,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,448.75 : 198,673.05 = 38,954.50 : x
  2. Step 2: Convert to fraction form
    132,448.75/198,673.05 = 38,954.50/x
  3. Step 3: Cross multiply
    132,448.75x = 198,673.05 × 38,954.50
  4. Step 4: Simplify right side
    132,448.75x = 7,739,209,326.23
  5. Step 5: Solve for x
    x = 7,739,209,326.23/132,448.75
  6. Step 6: Final answer
    x = 58,431.73

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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.