Home / 189,098.20-283,550.10-70,708.60

Finding the Fourth Proportional to 189,098.20, 283,550.10 and 70,708.60

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Solution

The fourth proportional to 189,098.20, 283,550.10 and 70,708.60 is: 106,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,098.20 : 283,550.10 = 70,708.60 : x
  2. Step 2: Convert to fraction form
    189,098.20/283,550.10 = 70,708.60/x
  3. Step 3: Cross multiply
    189,098.20x = 283,550.10 × 70,708.60
  4. Step 4: Simplify right side
    189,098.20x = 20,049,430,600.86
  5. Step 5: Solve for x
    x = 20,049,430,600.86/189,098.20
  6. Step 6: Final answer
    x = 106,026.55

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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.