Home / 167,071.48-230,569.14-91,620

Finding the Fourth Proportional to 167,071.48, 230,569.14 and 91,620

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Solution

The fourth proportional to 167,071.48, 230,569.14 and 91,620 is: 126,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,071.48 : 230,569.14 = 91,620 : x
  2. Step 2: Convert to fraction form
    167,071.48/230,569.14 = 91,620/x
  3. Step 3: Cross multiply
    167,071.48x = 230,569.14 × 91,620
  4. Step 4: Simplify right side
    167,071.48x = 21,124,744,606.80
  5. Step 5: Solve for x
    x = 21,124,744,606.80/167,071.48
  6. Step 6: Final answer
    x = 126,441.36

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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.