Home / 133,350.24-199,794.96-70,831.20

Finding the Fourth Proportional to 133,350.24, 199,794.96 and 70,831.20

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Solution

The fourth proportional to 133,350.24, 199,794.96 and 70,831.20 is: 106,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,350.24 : 199,794.96 = 70,831.20 : x
  2. Step 2: Convert to fraction form
    133,350.24/199,794.96 = 70,831.20/x
  3. Step 3: Cross multiply
    133,350.24x = 199,794.96 × 70,831.20
  4. Step 4: Simplify right side
    133,350.24x = 14,151,716,770.75
  5. Step 5: Solve for x
    x = 14,151,716,770.75/133,350.24
  6. Step 6: Final answer
    x = 106,124.42

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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.