Home / 132,078.76-198,116.06-53,190.92

Finding the Fourth Proportional to 132,078.76, 198,116.06 and 53,190.92

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Solution

The fourth proportional to 132,078.76, 198,116.06 and 53,190.92 is: 79,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,078.76 : 198,116.06 = 53,190.92 : x
  2. Step 2: Convert to fraction form
    132,078.76/198,116.06 = 53,190.92/x
  3. Step 3: Cross multiply
    132,078.76x = 198,116.06 × 53,190.92
  4. Step 4: Simplify right side
    132,078.76x = 10,537,975,498.18
  5. Step 5: Solve for x
    x = 10,537,975,498.18/132,078.76
  6. Step 6: Final answer
    x = 79,785.54

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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.