Home / 223,140.87-334,139.85-123,190.11

Finding the Fourth Proportional to 223,140.87, 334,139.85 and 123,190.11

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Solution

The fourth proportional to 223,140.87, 334,139.85 and 123,190.11 is: 184,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,140.87 : 334,139.85 = 123,190.11 : x
  2. Step 2: Convert to fraction form
    223,140.87/334,139.85 = 123,190.11/x
  3. Step 3: Cross multiply
    223,140.87x = 334,139.85 × 123,190.11
  4. Step 4: Simplify right side
    223,140.87x = 41,162,724,876.88
  5. Step 5: Solve for x
    x = 41,162,724,876.88/223,140.87
  6. Step 6: Final answer
    x = 184,469.68

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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.