Home / 132,076.73-198,145.32-57,209.34

Finding the Fourth Proportional to 132,076.73, 198,145.32 and 57,209.34

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Solution

The fourth proportional to 132,076.73, 198,145.32 and 57,209.34 is: 85,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,076.73 : 198,145.32 = 57,209.34 : x
  2. Step 2: Convert to fraction form
    132,076.73/198,145.32 = 57,209.34/x
  3. Step 3: Cross multiply
    132,076.73x = 198,145.32 × 57,209.34
  4. Step 4: Simplify right side
    132,076.73x = 11,335,762,981.29
  5. Step 5: Solve for x
    x = 11,335,762,981.29/132,076.73
  6. Step 6: Final answer
    x = 85,827.10

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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.