Home / 136,062.09-187,769.75-82,356.93

Finding the Fourth Proportional to 136,062.09, 187,769.75 and 82,356.93

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Solution

The fourth proportional to 136,062.09, 187,769.75 and 82,356.93 is: 113,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062.09 : 187,769.75 = 82,356.93 : x
  2. Step 2: Convert to fraction form
    136,062.09/187,769.75 = 82,356.93/x
  3. Step 3: Cross multiply
    136,062.09x = 187,769.75 × 82,356.93
  4. Step 4: Simplify right side
    136,062.09x = 15,464,139,745.08
  5. Step 5: Solve for x
    x = 15,464,139,745.08/136,062.09
  6. Step 6: Final answer
    x = 113,655.02

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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.