Home / 148,849.10-223,273.65-78,865.10

Finding the Fourth Proportional to 148,849.10, 223,273.65 and 78,865.10

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Solution

The fourth proportional to 148,849.10, 223,273.65 and 78,865.10 is: 118,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,849.10 : 223,273.65 = 78,865.10 : x
  2. Step 2: Convert to fraction form
    148,849.10/223,273.65 = 78,865.10/x
  3. Step 3: Cross multiply
    148,849.10x = 223,273.65 × 78,865.10
  4. Step 4: Simplify right side
    148,849.10x = 17,608,498,734.62
  5. Step 5: Solve for x
    x = 17,608,498,734.62/148,849.10
  6. Step 6: Final answer
    x = 118,297.65

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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.