Home / 168,865.83-232,933.32-111,505.68

Finding the Fourth Proportional to 168,865.83, 232,933.32 and 111,505.68

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Solution

The fourth proportional to 168,865.83, 232,933.32 and 111,505.68 is: 153,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,865.83 : 232,933.32 = 111,505.68 : x
  2. Step 2: Convert to fraction form
    168,865.83/232,933.32 = 111,505.68/x
  3. Step 3: Cross multiply
    168,865.83x = 232,933.32 × 111,505.68
  4. Step 4: Simplify right side
    168,865.83x = 25,973,388,241.26
  5. Step 5: Solve for x
    x = 25,973,388,241.26/168,865.83
  6. Step 6: Final answer
    x = 153,810.80

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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.