Home / 132,686.51-198,910.19-48,387.52

Finding the Fourth Proportional to 132,686.51, 198,910.19 and 48,387.52

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Solution

The fourth proportional to 132,686.51, 198,910.19 and 48,387.52 is: 72,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.51 : 198,910.19 = 48,387.52 : x
  2. Step 2: Convert to fraction form
    132,686.51/198,910.19 = 48,387.52/x
  3. Step 3: Cross multiply
    132,686.51x = 198,910.19 × 48,387.52
  4. Step 4: Simplify right side
    132,686.51x = 9,624,770,796.83
  5. Step 5: Solve for x
    x = 9,624,770,796.83/132,686.51
  6. Step 6: Final answer
    x = 72,537.67

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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.