Home / 135,888.02-187,519.14-75,462.48

Finding the Fourth Proportional to 135,888.02, 187,519.14 and 75,462.48

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Solution

The fourth proportional to 135,888.02, 187,519.14 and 75,462.48 is: 104,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.02 : 187,519.14 = 75,462.48 : x
  2. Step 2: Convert to fraction form
    135,888.02/187,519.14 = 75,462.48/x
  3. Step 3: Cross multiply
    135,888.02x = 187,519.14 × 75,462.48
  4. Step 4: Simplify right side
    135,888.02x = 14,150,659,351.87
  5. Step 5: Solve for x
    x = 14,150,659,351.87/135,888.02
  6. Step 6: Final answer
    x = 104,134.71

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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.