Home / 167,681.73-231,405.10-91,205.19

Finding the Fourth Proportional to 167,681.73, 231,405.10 and 91,205.19

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Solution

The fourth proportional to 167,681.73, 231,405.10 and 91,205.19 is: 125,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.73 : 231,405.10 = 91,205.19 : x
  2. Step 2: Convert to fraction form
    167,681.73/231,405.10 = 91,205.19/x
  3. Step 3: Cross multiply
    167,681.73x = 231,405.10 × 91,205.19
  4. Step 4: Simplify right side
    167,681.73x = 21,105,346,397.49
  5. Step 5: Solve for x
    x = 21,105,346,397.49/167,681.73
  6. Step 6: Final answer
    x = 125,865.51

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1.5x scale

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.