Home / 185,066.25-255,391.56-100,183.38

Finding the Fourth Proportional to 185,066.25, 255,391.56 and 100,183.38

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Solution

The fourth proportional to 185,066.25, 255,391.56 and 100,183.38 is: 138,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,066.25 : 255,391.56 = 100,183.38 : x
  2. Step 2: Convert to fraction form
    185,066.25/255,391.56 = 100,183.38/x
  3. Step 3: Cross multiply
    185,066.25x = 255,391.56 × 100,183.38
  4. Step 4: Simplify right side
    185,066.25x = 25,585,989,704.27
  5. Step 5: Solve for x
    x = 25,585,989,704.27/185,066.25
  6. Step 6: Final answer
    x = 138,253.14

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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.