Home / 168,939.06-233,069.60-108,501.32

Finding the Fourth Proportional to 168,939.06, 233,069.60 and 108,501.32

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Solution

The fourth proportional to 168,939.06, 233,069.60 and 108,501.32 is: 149,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,939.06 : 233,069.60 = 108,501.32 : x
  2. Step 2: Convert to fraction form
    168,939.06/233,069.60 = 108,501.32/x
  3. Step 3: Cross multiply
    168,939.06x = 233,069.60 × 108,501.32
  4. Step 4: Simplify right side
    168,939.06x = 25,288,359,251.87
  5. Step 5: Solve for x
    x = 25,288,359,251.87/168,939.06
  6. Step 6: Final answer
    x = 149,689.24

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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.