Home / 168,589.96-232,678.51-100,609.80

Finding the Fourth Proportional to 168,589.96, 232,678.51 and 100,609.80

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Solution

The fourth proportional to 168,589.96, 232,678.51 and 100,609.80 is: 138,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,589.96 : 232,678.51 = 100,609.80 : x
  2. Step 2: Convert to fraction form
    168,589.96/232,678.51 = 100,609.80/x
  3. Step 3: Cross multiply
    168,589.96x = 232,678.51 × 100,609.80
  4. Step 4: Simplify right side
    168,589.96x = 23,409,737,231.33
  5. Step 5: Solve for x
    x = 23,409,737,231.33/168,589.96
  6. Step 6: Final answer
    x = 138,856.06

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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.