Home / 135,960.72-203,941.36-51,701.12

Finding the Fourth Proportional to 135,960.72, 203,941.36 and 51,701.12

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Solution

The fourth proportional to 135,960.72, 203,941.36 and 51,701.12 is: 77,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960.72 : 203,941.36 = 51,701.12 : x
  2. Step 2: Convert to fraction form
    135,960.72/203,941.36 = 51,701.12/x
  3. Step 3: Cross multiply
    135,960.72x = 203,941.36 × 51,701.12
  4. Step 4: Simplify right side
    135,960.72x = 10,543,996,726.32
  5. Step 5: Solve for x
    x = 10,543,996,726.32/135,960.72
  6. Step 6: Final answer
    x = 77,551.79

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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.