Home / 148,411.38-222,619.08-53,709.42

Finding the Fourth Proportional to 148,411.38, 222,619.08 and 53,709.42

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Solution

The fourth proportional to 148,411.38, 222,619.08 and 53,709.42 is: 80,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,411.38 : 222,619.08 = 53,709.42 : x
  2. Step 2: Convert to fraction form
    148,411.38/222,619.08 = 53,709.42/x
  3. Step 3: Cross multiply
    148,411.38x = 222,619.08 × 53,709.42
  4. Step 4: Simplify right side
    148,411.38x = 11,956,741,667.73
  5. Step 5: Solve for x
    x = 11,956,741,667.73/148,411.38
  6. Step 6: Final answer
    x = 80,564.86

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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.