Home / 132,910.50-199,424.49-69,715.53

Finding the Fourth Proportional to 132,910.50, 199,424.49 and 69,715.53

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Solution

The fourth proportional to 132,910.50, 199,424.49 and 69,715.53 is: 104,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,910.50 : 199,424.49 = 69,715.53 : x
  2. Step 2: Convert to fraction form
    132,910.50/199,424.49 = 69,715.53/x
  3. Step 3: Cross multiply
    132,910.50x = 199,424.49 × 69,715.53
  4. Step 4: Simplify right side
    132,910.50x = 13,902,984,015.33
  5. Step 5: Solve for x
    x = 13,902,984,015.33/132,910.50
  6. Step 6: Final answer
    x = 104,604.11

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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.