Home / 126,184.32-189,043.20-63,705.60

Finding the Fourth Proportional to 126,184.32, 189,043.20 and 63,705.60

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Solution

The fourth proportional to 126,184.32, 189,043.20 and 63,705.60 is: 95,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184.32 : 189,043.20 = 63,705.60 : x
  2. Step 2: Convert to fraction form
    126,184.32/189,043.20 = 63,705.60/x
  3. Step 3: Cross multiply
    126,184.32x = 189,043.20 × 63,705.60
  4. Step 4: Simplify right side
    126,184.32x = 12,043,110,481.92
  5. Step 5: Solve for x
    x = 12,043,110,481.92/126,184.32
  6. Step 6: Final answer
    x = 95,440.63

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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.