Home / 111,183.93-153,456.99-102,217.23

Finding the Fourth Proportional to 111,183.93, 153,456.99 and 102,217.23

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Solution

The fourth proportional to 111,183.93, 153,456.99 and 102,217.23 is: 141,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,183.93 : 153,456.99 = 102,217.23 : x
  2. Step 2: Convert to fraction form
    111,183.93/153,456.99 = 102,217.23/x
  3. Step 3: Cross multiply
    111,183.93x = 153,456.99 × 102,217.23
  4. Step 4: Simplify right side
    111,183.93x = 15,685,948,441.94
  5. Step 5: Solve for x
    x = 15,685,948,441.94/111,183.93
  6. Step 6: Final answer
    x = 141,081.08

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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.