Home / 168,016.20-251,441.10-154,019.40

Finding the Fourth Proportional to 168,016.20, 251,441.10 and 154,019.40

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Solution

The fourth proportional to 168,016.20, 251,441.10 and 154,019.40 is: 230,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.20 : 251,441.10 = 154,019.40 : x
  2. Step 2: Convert to fraction form
    168,016.20/251,441.10 = 154,019.40/x
  3. Step 3: Cross multiply
    168,016.20x = 251,441.10 × 154,019.40
  4. Step 4: Simplify right side
    168,016.20x = 38,726,807,357.34
  5. Step 5: Solve for x
    x = 38,726,807,357.34/168,016.20
  6. Step 6: Final answer
    x = 230,494.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.