Home / 168,621.77-232,806.53-108,218.45

Finding the Fourth Proportional to 168,621.77, 232,806.53 and 108,218.45

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Solution

The fourth proportional to 168,621.77, 232,806.53 and 108,218.45 is: 149,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,621.77 : 232,806.53 = 108,218.45 : x
  2. Step 2: Convert to fraction form
    168,621.77/232,806.53 = 108,218.45/x
  3. Step 3: Cross multiply
    168,621.77x = 232,806.53 × 108,218.45
  4. Step 4: Simplify right side
    168,621.77x = 25,193,961,867.40
  5. Step 5: Solve for x
    x = 25,193,961,867.40/168,621.77
  6. Step 6: Final answer
    x = 149,411.08

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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.