Home / 167,811.51-231,584.16-91,334.76

Finding the Fourth Proportional to 167,811.51, 231,584.16 and 91,334.76

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Solution

The fourth proportional to 167,811.51, 231,584.16 and 91,334.76 is: 126,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,811.51 : 231,584.16 = 91,334.76 : x
  2. Step 2: Convert to fraction form
    167,811.51/231,584.16 = 91,334.76/x
  3. Step 3: Cross multiply
    167,811.51x = 231,584.16 × 91,334.76
  4. Step 4: Simplify right side
    167,811.51x = 21,151,683,673.40
  5. Step 5: Solve for x
    x = 21,151,683,673.40/167,811.51
  6. Step 6: Final answer
    x = 126,044.30

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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.