Home / 231,156.12-346,735.62-71,230.08

Finding the Fourth Proportional to 231,156.12, 346,735.62 and 71,230.08

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Solution

The fourth proportional to 231,156.12, 346,735.62 and 71,230.08 is: 106,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,156.12 : 346,735.62 = 71,230.08 : x
  2. Step 2: Convert to fraction form
    231,156.12/346,735.62 = 71,230.08/x
  3. Step 3: Cross multiply
    231,156.12x = 346,735.62 × 71,230.08
  4. Step 4: Simplify right side
    231,156.12x = 24,698,005,951.45
  5. Step 5: Solve for x
    x = 24,698,005,951.45/231,156.12
  6. Step 6: Final answer
    x = 106,845.56

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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.