Home / 168,781.15-233,019.03-105,205.06

Finding the Fourth Proportional to 168,781.15, 233,019.03 and 105,205.06

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Solution

The fourth proportional to 168,781.15, 233,019.03 and 105,205.06 is: 145,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,781.15 : 233,019.03 = 105,205.06 : x
  2. Step 2: Convert to fraction form
    168,781.15/233,019.03 = 105,205.06/x
  3. Step 3: Cross multiply
    168,781.15x = 233,019.03 × 105,205.06
  4. Step 4: Simplify right side
    168,781.15x = 24,514,781,032.29
  5. Step 5: Solve for x
    x = 24,514,781,032.29/168,781.15
  6. Step 6: Final answer
    x = 145,245.97

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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.