Home / 132,813.09-199,145.83-53,835.06

Finding the Fourth Proportional to 132,813.09, 199,145.83 and 53,835.06

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Solution

The fourth proportional to 132,813.09, 199,145.83 and 53,835.06 is: 80,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,813.09 : 199,145.83 = 53,835.06 : x
  2. Step 2: Convert to fraction form
    132,813.09/199,145.83 = 53,835.06/x
  3. Step 3: Cross multiply
    132,813.09x = 199,145.83 × 53,835.06
  4. Step 4: Simplify right side
    132,813.09x = 10,721,026,663.95
  5. Step 5: Solve for x
    x = 10,721,026,663.95/132,813.09
  6. Step 6: Final answer
    x = 80,722.66

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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.