Home / 132,195.92-198,225.48-53,288.72

Finding the Fourth Proportional to 132,195.92, 198,225.48 and 53,288.72

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Solution

The fourth proportional to 132,195.92, 198,225.48 and 53,288.72 is: 79,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,195.92 : 198,225.48 = 53,288.72 : x
  2. Step 2: Convert to fraction form
    132,195.92/198,225.48 = 53,288.72/x
  3. Step 3: Cross multiply
    132,195.92x = 198,225.48 × 53,288.72
  4. Step 4: Simplify right side
    132,195.92x = 10,563,182,100.59
  5. Step 5: Solve for x
    x = 10,563,182,100.59/132,195.92
  6. Step 6: Final answer
    x = 79,905.51

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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.