Home / 148,911.75-223,367.63-38,103.75

Finding the Fourth Proportional to 148,911.75, 223,367.63 and 38,103.75

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Solution

The fourth proportional to 148,911.75, 223,367.63 and 38,103.75 is: 57,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,911.75 : 223,367.63 = 38,103.75 : x
  2. Step 2: Convert to fraction form
    148,911.75/223,367.63 = 38,103.75/x
  3. Step 3: Cross multiply
    148,911.75x = 223,367.63 × 38,103.75
  4. Step 4: Simplify right side
    148,911.75x = 8,511,144,141.09
  5. Step 5: Solve for x
    x = 8,511,144,141.09/148,911.75
  6. Step 6: Final answer
    x = 57,155.63

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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.