Home / 126,580.20-189,831.42-60,000.63

Finding the Fourth Proportional to 126,580.20, 189,831.42 and 60,000.63

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Solution

The fourth proportional to 126,580.20, 189,831.42 and 60,000.63 is: 89,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,580.20 : 189,831.42 = 60,000.63 : x
  2. Step 2: Convert to fraction form
    126,580.20/189,831.42 = 60,000.63/x
  3. Step 3: Cross multiply
    126,580.20x = 189,831.42 × 60,000.63
  4. Step 4: Simplify right side
    126,580.20x = 11,390,004,793.79
  5. Step 5: Solve for x
    x = 11,390,004,793.79/126,580.20
  6. Step 6: Final answer
    x = 89,982.52

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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.