Home / 146,538.68-219,647.67-75,465.62

Finding the Fourth Proportional to 146,538.68, 219,647.67 and 75,465.62

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Solution

The fourth proportional to 146,538.68, 219,647.67 and 75,465.62 is: 113,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.68 : 219,647.67 = 75,465.62 : x
  2. Step 2: Convert to fraction form
    146,538.68/219,647.67 = 75,465.62/x
  3. Step 3: Cross multiply
    146,538.68x = 219,647.67 × 75,465.62
  4. Step 4: Simplify right side
    146,538.68x = 16,575,848,674.03
  5. Step 5: Solve for x
    x = 16,575,848,674.03/146,538.68
  6. Step 6: Final answer
    x = 113,115.86

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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.