Home / 167,722.90-231,459.10-91,243.66

Finding the Fourth Proportional to 167,722.90, 231,459.10 and 91,243.66

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Solution

The fourth proportional to 167,722.90, 231,459.10 and 91,243.66 is: 125,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,722.90 : 231,459.10 = 91,243.66 : x
  2. Step 2: Convert to fraction form
    167,722.90/231,459.10 = 91,243.66/x
  3. Step 3: Cross multiply
    167,722.90x = 231,459.10 × 91,243.66
  4. Step 4: Simplify right side
    167,722.90x = 21,119,175,424.31
  5. Step 5: Solve for x
    x = 21,119,175,424.31/167,722.90
  6. Step 6: Final answer
    x = 125,917.07

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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.