Home / 173,831.28-260,707.56-80,246.64

Finding the Fourth Proportional to 173,831.28, 260,707.56 and 80,246.64

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Solution

The fourth proportional to 173,831.28, 260,707.56 and 80,246.64 is: 120,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,831.28 : 260,707.56 = 80,246.64 : x
  2. Step 2: Convert to fraction form
    173,831.28/260,707.56 = 80,246.64/x
  3. Step 3: Cross multiply
    173,831.28x = 260,707.56 × 80,246.64
  4. Step 4: Simplify right side
    173,831.28x = 20,920,905,712.60
  5. Step 5: Solve for x
    x = 20,920,905,712.60/173,831.28
  6. Step 6: Final answer
    x = 120,351.79

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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.