Home / 132,109.36-198,170.54-53,212.92

Finding the Fourth Proportional to 132,109.36, 198,170.54 and 53,212.92

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Solution

The fourth proportional to 132,109.36, 198,170.54 and 53,212.92 is: 79,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,109.36 : 198,170.54 = 53,212.92 : x
  2. Step 2: Convert to fraction form
    132,109.36/198,170.54 = 53,212.92/x
  3. Step 3: Cross multiply
    132,109.36x = 198,170.54 × 53,212.92
  4. Step 4: Simplify right side
    132,109.36x = 10,545,233,091.38
  5. Step 5: Solve for x
    x = 10,545,233,091.38/132,109.36
  6. Step 6: Final answer
    x = 79,822.00

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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.