Home / 158,208.12-218,429.04-141,183.12

Finding the Fourth Proportional to 158,208.12, 218,429.04 and 141,183.12

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Solution

The fourth proportional to 158,208.12, 218,429.04 and 141,183.12 is: 194,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,208.12 : 218,429.04 = 141,183.12 : x
  2. Step 2: Convert to fraction form
    158,208.12/218,429.04 = 141,183.12/x
  3. Step 3: Cross multiply
    158,208.12x = 218,429.04 × 141,183.12
  4. Step 4: Simplify right side
    158,208.12x = 30,838,493,365.80
  5. Step 5: Solve for x
    x = 30,838,493,365.80/158,208.12
  6. Step 6: Final answer
    x = 194,923.58

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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.