Home / 148,785.67-223,190.66-69,856.84

Finding the Fourth Proportional to 148,785.67, 223,190.66 and 69,856.84

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Solution

The fourth proportional to 148,785.67, 223,190.66 and 69,856.84 is: 104,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,785.67 : 223,190.66 = 69,856.84 : x
  2. Step 2: Convert to fraction form
    148,785.67/223,190.66 = 69,856.84/x
  3. Step 3: Cross multiply
    148,785.67x = 223,190.66 × 69,856.84
  4. Step 4: Simplify right side
    148,785.67x = 15,591,394,225.11
  5. Step 5: Solve for x
    x = 15,591,394,225.11/148,785.67
  6. Step 6: Final answer
    x = 104,790.97

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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.