Home / 146,195.11-201,727.78-81,656.39

Finding the Fourth Proportional to 146,195.11, 201,727.78 and 81,656.39

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Solution

The fourth proportional to 146,195.11, 201,727.78 and 81,656.39 is: 112,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,195.11 : 201,727.78 = 81,656.39 : x
  2. Step 2: Convert to fraction form
    146,195.11/201,727.78 = 81,656.39/x
  3. Step 3: Cross multiply
    146,195.11x = 201,727.78 × 81,656.39
  4. Step 4: Simplify right side
    146,195.11x = 16,472,362,424.59
  5. Step 5: Solve for x
    x = 16,472,362,424.59/146,195.11
  6. Step 6: Final answer
    x = 112,673.83

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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.