Home / 126,831.32-190,248.57-38,079.66

Finding the Fourth Proportional to 126,831.32, 190,248.57 and 38,079.66

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Solution

The fourth proportional to 126,831.32, 190,248.57 and 38,079.66 is: 57,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,831.32 : 190,248.57 = 38,079.66 : x
  2. Step 2: Convert to fraction form
    126,831.32/190,248.57 = 38,079.66/x
  3. Step 3: Cross multiply
    126,831.32x = 190,248.57 × 38,079.66
  4. Step 4: Simplify right side
    126,831.32x = 7,244,600,861.09
  5. Step 5: Solve for x
    x = 7,244,600,861.09/126,831.32
  6. Step 6: Final answer
    x = 57,119.97

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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.