Home / 135,777.28-187,364.18-82,030.54

Finding the Fourth Proportional to 135,777.28, 187,364.18 and 82,030.54

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Solution

The fourth proportional to 135,777.28, 187,364.18 and 82,030.54 is: 113,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,777.28 : 187,364.18 = 82,030.54 : x
  2. Step 2: Convert to fraction form
    135,777.28/187,364.18 = 82,030.54/x
  3. Step 3: Cross multiply
    135,777.28x = 187,364.18 × 82,030.54
  4. Step 4: Simplify right side
    135,777.28x = 15,369,584,862.06
  5. Step 5: Solve for x
    x = 15,369,584,862.06/135,777.28
  6. Step 6: Final answer
    x = 113,197.03

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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.