Home / 135,972.35-203,888.49-61,028.25

Finding the Fourth Proportional to 135,972.35, 203,888.49 and 61,028.25

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Solution

The fourth proportional to 135,972.35, 203,888.49 and 61,028.25 is: 91,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,972.35 : 203,888.49 = 61,028.25 : x
  2. Step 2: Convert to fraction form
    135,972.35/203,888.49 = 61,028.25/x
  3. Step 3: Cross multiply
    135,972.35x = 203,888.49 × 61,028.25
  4. Step 4: Simplify right side
    135,972.35x = 12,442,957,739.84
  5. Step 5: Solve for x
    x = 12,442,957,739.84/135,972.35
  6. Step 6: Final answer
    x = 91,510.94

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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.