Home / 167,771.61-231,521.38-91,292.22

Finding the Fourth Proportional to 167,771.61, 231,521.38 and 91,292.22

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Solution

The fourth proportional to 167,771.61, 231,521.38 and 91,292.22 is: 125,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,771.61 : 231,521.38 = 91,292.22 : x
  2. Step 2: Convert to fraction form
    167,771.61/231,521.38 = 91,292.22/x
  3. Step 3: Cross multiply
    167,771.61x = 231,521.38 × 91,292.22
  4. Step 4: Simplify right side
    167,771.61x = 21,136,099,600.06
  5. Step 5: Solve for x
    x = 21,136,099,600.06/167,771.61
  6. Step 6: Final answer
    x = 125,981.39

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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.