Home / 240,443.89-331,667.96-158,772.87

Finding the Fourth Proportional to 240,443.89, 331,667.96 and 158,772.87

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Solution

The fourth proportional to 240,443.89, 331,667.96 and 158,772.87 is: 219,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,443.89 : 331,667.96 = 158,772.87 : x
  2. Step 2: Convert to fraction form
    240,443.89/331,667.96 = 158,772.87/x
  3. Step 3: Cross multiply
    240,443.89x = 331,667.96 × 158,772.87
  4. Step 4: Simplify right side
    240,443.89x = 52,659,873,102.38
  5. Step 5: Solve for x
    x = 52,659,873,102.38/240,443.89
  6. Step 6: Final answer
    x = 219,011.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.