Home / 168,605.28-232,699.66-100,625.14

Finding the Fourth Proportional to 168,605.28, 232,699.66 and 100,625.14

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Solution

The fourth proportional to 168,605.28, 232,699.66 and 100,625.14 is: 138,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,605.28 : 232,699.66 = 100,625.14 : x
  2. Step 2: Convert to fraction form
    168,605.28/232,699.66 = 100,625.14/x
  3. Step 3: Cross multiply
    168,605.28x = 232,699.66 × 100,625.14
  4. Step 4: Simplify right side
    168,605.28x = 23,415,435,865.45
  5. Step 5: Solve for x
    x = 23,415,435,865.45/168,605.28
  6. Step 6: Final answer
    x = 138,877.24

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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.