Home / 126,612.44-189,831.18-55,500.92

Finding the Fourth Proportional to 126,612.44, 189,831.18 and 55,500.92

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Solution

The fourth proportional to 126,612.44, 189,831.18 and 55,500.92 is: 83,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,612.44 : 189,831.18 = 55,500.92 : x
  2. Step 2: Convert to fraction form
    126,612.44/189,831.18 = 55,500.92/x
  3. Step 3: Cross multiply
    126,612.44x = 189,831.18 × 55,500.92
  4. Step 4: Simplify right side
    126,612.44x = 10,535,805,134.69
  5. Step 5: Solve for x
    x = 10,535,805,134.69/126,612.44
  6. Step 6: Final answer
    x = 83,213.03

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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.