Home / 130,338.54-195,601.05-55,511.10

Finding the Fourth Proportional to 130,338.54, 195,601.05 and 55,511.10

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Solution

The fourth proportional to 130,338.54, 195,601.05 and 55,511.10 is: 83,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,338.54 : 195,601.05 = 55,511.10 : x
  2. Step 2: Convert to fraction form
    130,338.54/195,601.05 = 55,511.10/x
  3. Step 3: Cross multiply
    130,338.54x = 195,601.05 × 55,511.10
  4. Step 4: Simplify right side
    130,338.54x = 10,858,029,446.66
  5. Step 5: Solve for x
    x = 10,858,029,446.66/130,338.54
  6. Step 6: Final answer
    x = 83,306.36

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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.