Home / 134,818.82-186,016.77-82,417.61

Finding the Fourth Proportional to 134,818.82, 186,016.77 and 82,417.61

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Solution

The fourth proportional to 134,818.82, 186,016.77 and 82,417.61 is: 113,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,818.82 : 186,016.77 = 82,417.61 : x
  2. Step 2: Convert to fraction form
    134,818.82/186,016.77 = 82,417.61/x
  3. Step 3: Cross multiply
    134,818.82x = 186,016.77 × 82,417.61
  4. Step 4: Simplify right side
    134,818.82x = 15,331,056,673.24
  5. Step 5: Solve for x
    x = 15,331,056,673.24/134,818.82
  6. Step 6: Final answer
    x = 113,716.00

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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.