Home / 193,479.03-266,986.41-108,579.69

Finding the Fourth Proportional to 193,479.03, 266,986.41 and 108,579.69

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Solution

The fourth proportional to 193,479.03, 266,986.41 and 108,579.69 is: 149,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,479.03 : 266,986.41 = 108,579.69 : x
  2. Step 2: Convert to fraction form
    193,479.03/266,986.41 = 108,579.69/x
  3. Step 3: Cross multiply
    193,479.03x = 266,986.41 × 108,579.69
  4. Step 4: Simplify right side
    193,479.03x = 28,989,301,632.01
  5. Step 5: Solve for x
    x = 28,989,301,632.01/193,479.03
  6. Step 6: Final answer
    x = 149,831.75

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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.