Home / 167,898.98-231,693.05-91,416.15

Finding the Fourth Proportional to 167,898.98, 231,693.05 and 91,416.15

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Solution

The fourth proportional to 167,898.98, 231,693.05 and 91,416.15 is: 126,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,898.98 : 231,693.05 = 91,416.15 : x
  2. Step 2: Convert to fraction form
    167,898.98/231,693.05 = 91,416.15/x
  3. Step 3: Cross multiply
    167,898.98x = 231,693.05 × 91,416.15
  4. Step 4: Simplify right side
    167,898.98x = 21,180,486,155.68
  5. Step 5: Solve for x
    x = 21,180,486,155.68/167,898.98
  6. Step 6: Final answer
    x = 126,150.18

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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.