Home / 126,600.64-189,650.48-102,934.60

Finding the Fourth Proportional to 126,600.64, 189,650.48 and 102,934.60

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Solution

The fourth proportional to 126,600.64, 189,650.48 and 102,934.60 is: 154,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,600.64 : 189,650.48 = 102,934.60 : x
  2. Step 2: Convert to fraction form
    126,600.64/189,650.48 = 102,934.60/x
  3. Step 3: Cross multiply
    126,600.64x = 189,650.48 × 102,934.60
  4. Step 4: Simplify right side
    126,600.64x = 19,521,596,298.61
  5. Step 5: Solve for x
    x = 19,521,596,298.61/126,600.64
  6. Step 6: Final answer
    x = 154,198.24

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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.