Home / 167,888.93-231,681.84-91,409.54

Finding the Fourth Proportional to 167,888.93, 231,681.84 and 91,409.54

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Solution

The fourth proportional to 167,888.93, 231,681.84 and 91,409.54 is: 126,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,888.93 : 231,681.84 = 91,409.54 : x
  2. Step 2: Convert to fraction form
    167,888.93/231,681.84 = 91,409.54/x
  3. Step 3: Cross multiply
    167,888.93x = 231,681.84 × 91,409.54
  4. Step 4: Simplify right side
    167,888.93x = 21,177,930,420.75
  5. Step 5: Solve for x
    x = 21,177,930,420.75/167,888.93
  6. Step 6: Final answer
    x = 126,142.51

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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.