Home / 168,185.68-232,152.48-100,223.97

Finding the Fourth Proportional to 168,185.68, 232,152.48 and 100,223.97

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Solution

The fourth proportional to 168,185.68, 232,152.48 and 100,223.97 is: 138,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185.68 : 232,152.48 = 100,223.97 : x
  2. Step 2: Convert to fraction form
    168,185.68/232,152.48 = 100,223.97/x
  3. Step 3: Cross multiply
    168,185.68x = 232,152.48 × 100,223.97
  4. Step 4: Simplify right side
    168,185.68x = 23,267,243,190.95
  5. Step 5: Solve for x
    x = 23,267,243,190.95/168,185.68
  6. Step 6: Final answer
    x = 138,342.59

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1.5x scale

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.