Home / 132,131.08-198,226.89-57,263.79

Finding the Fourth Proportional to 132,131.08, 198,226.89 and 57,263.79

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Solution

The fourth proportional to 132,131.08, 198,226.89 and 57,263.79 is: 85,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.08 : 198,226.89 = 57,263.79 : x
  2. Step 2: Convert to fraction form
    132,131.08/198,226.89 = 57,263.79/x
  3. Step 3: Cross multiply
    132,131.08x = 198,226.89 × 57,263.79
  4. Step 4: Simplify right side
    132,131.08x = 11,351,223,001.31
  5. Step 5: Solve for x
    x = 11,351,223,001.31/132,131.08
  6. Step 6: Final answer
    x = 85,908.80

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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.