Home / 135,752.28-187,329.66-82,005.54

Finding the Fourth Proportional to 135,752.28, 187,329.66 and 82,005.54

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Solution

The fourth proportional to 135,752.28, 187,329.66 and 82,005.54 is: 113,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,752.28 : 187,329.66 = 82,005.54 : x
  2. Step 2: Convert to fraction form
    135,752.28/187,329.66 = 82,005.54/x
  3. Step 3: Cross multiply
    135,752.28x = 187,329.66 × 82,005.54
  4. Step 4: Simplify right side
    135,752.28x = 15,362,069,926.32
  5. Step 5: Solve for x
    x = 15,362,069,926.32/135,752.28
  6. Step 6: Final answer
    x = 113,162.52

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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.