Home / 132,342.08-198,401.46-57,405.81

Finding the Fourth Proportional to 132,342.08, 198,401.46 and 57,405.81

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Solution

The fourth proportional to 132,342.08, 198,401.46 and 57,405.81 is: 86,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,342.08 : 198,401.46 = 57,405.81 : x
  2. Step 2: Convert to fraction form
    132,342.08/198,401.46 = 57,405.81/x
  3. Step 3: Cross multiply
    132,342.08x = 198,401.46 × 57,405.81
  4. Step 4: Simplify right side
    132,342.08x = 11,389,396,516.48
  5. Step 5: Solve for x
    x = 11,389,396,516.48/132,342.08
  6. Step 6: Final answer
    x = 86,060.28

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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.