Home / 168,561.68-232,605.48-100,655.28

Finding the Fourth Proportional to 168,561.68, 232,605.48 and 100,655.28

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Solution

The fourth proportional to 168,561.68, 232,605.48 and 100,655.28 is: 138,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.68 : 232,605.48 = 100,655.28 : x
  2. Step 2: Convert to fraction form
    168,561.68/232,605.48 = 100,655.28/x
  3. Step 3: Cross multiply
    168,561.68x = 232,605.48 × 100,655.28
  4. Step 4: Simplify right side
    168,561.68x = 23,412,969,718.93
  5. Step 5: Solve for x
    x = 23,412,969,718.93/168,561.68
  6. Step 6: Final answer
    x = 138,898.53

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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.