Home / 126,831.62-190,276.59-38,086.81

Finding the Fourth Proportional to 126,831.62, 190,276.59 and 38,086.81

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Solution

The fourth proportional to 126,831.62, 190,276.59 and 38,086.81 is: 57,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,831.62 : 190,276.59 = 38,086.81 : x
  2. Step 2: Convert to fraction form
    126,831.62/190,276.59 = 38,086.81/x
  3. Step 3: Cross multiply
    126,831.62x = 190,276.59 × 38,086.81
  4. Step 4: Simplify right side
    126,831.62x = 7,247,028,330.78
  5. Step 5: Solve for x
    x = 7,247,028,330.78/126,831.62
  6. Step 6: Final answer
    x = 57,138.97

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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.