Home / 135,749.98-203,654.23-40,972.23

Finding the Fourth Proportional to 135,749.98, 203,654.23 and 40,972.23

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Solution

The fourth proportional to 135,749.98, 203,654.23 and 40,972.23 is: 61,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,749.98 : 203,654.23 = 40,972.23 : x
  2. Step 2: Convert to fraction form
    135,749.98/203,654.23 = 40,972.23/x
  3. Step 3: Cross multiply
    135,749.98x = 203,654.23 × 40,972.23
  4. Step 4: Simplify right side
    135,749.98x = 8,344,167,340.47
  5. Step 5: Solve for x
    x = 8,344,167,340.47/135,749.98
  6. Step 6: Final answer
    x = 61,467.17

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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.