Home / 135,463.07-203,325.82-65,391.59

Finding the Fourth Proportional to 135,463.07, 203,325.82 and 65,391.59

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Solution

The fourth proportional to 135,463.07, 203,325.82 and 65,391.59 is: 98,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,463.07 : 203,325.82 = 65,391.59 : x
  2. Step 2: Convert to fraction form
    135,463.07/203,325.82 = 65,391.59/x
  3. Step 3: Cross multiply
    135,463.07x = 203,325.82 × 65,391.59
  4. Step 4: Simplify right side
    135,463.07x = 13,295,797,641.22
  5. Step 5: Solve for x
    x = 13,295,797,641.22/135,463.07
  6. Step 6: Final answer
    x = 98,150.72

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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.