Home / 167,368.11-230,972.72-91,921.47

Finding the Fourth Proportional to 167,368.11, 230,972.72 and 91,921.47

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Solution

The fourth proportional to 167,368.11, 230,972.72 and 91,921.47 is: 126,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,368.11 : 230,972.72 = 91,921.47 : x
  2. Step 2: Convert to fraction form
    167,368.11/230,972.72 = 91,921.47/x
  3. Step 3: Cross multiply
    167,368.11x = 230,972.72 × 91,921.47
  4. Step 4: Simplify right side
    167,368.11x = 21,231,351,492.69
  5. Step 5: Solve for x
    x = 21,231,351,492.69/167,368.11
  6. Step 6: Final answer
    x = 126,854.22

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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.