Home / 133,300.80-199,627.20-70,833.60

Finding the Fourth Proportional to 133,300.80, 199,627.20 and 70,833.60

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Solution

The fourth proportional to 133,300.80, 199,627.20 and 70,833.60 is: 106,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.80 : 199,627.20 = 70,833.60 : x
  2. Step 2: Convert to fraction form
    133,300.80/199,627.20 = 70,833.60/x
  3. Step 3: Cross multiply
    133,300.80x = 199,627.20 × 70,833.60
  4. Step 4: Simplify right side
    133,300.80x = 14,140,313,233.92
  5. Step 5: Solve for x
    x = 14,140,313,233.92/133,300.80
  6. Step 6: Final answer
    x = 106,078.23

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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.