Home / 167,366.36-230,949.55-99,371.72

Finding the Fourth Proportional to 167,366.36, 230,949.55 and 99,371.72

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Solution

The fourth proportional to 167,366.36, 230,949.55 and 99,371.72 is: 137,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,366.36 : 230,949.55 = 99,371.72 : x
  2. Step 2: Convert to fraction form
    167,366.36/230,949.55 = 99,371.72/x
  3. Step 3: Cross multiply
    167,366.36x = 230,949.55 × 99,371.72
  4. Step 4: Simplify right side
    167,366.36x = 22,949,854,016.73
  5. Step 5: Solve for x
    x = 22,949,854,016.73/167,366.36
  6. Step 6: Final answer
    x = 137,123.46

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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.