Home / 167,904.14-231,636.99-111,217.10

Finding the Fourth Proportional to 167,904.14, 231,636.99 and 111,217.10

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Solution

The fourth proportional to 167,904.14, 231,636.99 and 111,217.10 is: 153,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,904.14 : 231,636.99 = 111,217.10 : x
  2. Step 2: Convert to fraction form
    167,904.14/231,636.99 = 111,217.10/x
  3. Step 3: Cross multiply
    167,904.14x = 231,636.99 × 111,217.10
  4. Step 4: Simplify right side
    167,904.14x = 25,761,994,280.53
  5. Step 5: Solve for x
    x = 25,761,994,280.53/167,904.14
  6. Step 6: Final answer
    x = 153,432.75

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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.