Home / 132,859.20-199,405.44-73,761.60

Finding the Fourth Proportional to 132,859.20, 199,405.44 and 73,761.60

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Solution

The fourth proportional to 132,859.20, 199,405.44 and 73,761.60 is: 110,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.20 : 199,405.44 = 73,761.60 : x
  2. Step 2: Convert to fraction form
    132,859.20/199,405.44 = 73,761.60/x
  3. Step 3: Cross multiply
    132,859.20x = 199,405.44 × 73,761.60
  4. Step 4: Simplify right side
    132,859.20x = 14,708,464,303.10
  5. Step 5: Solve for x
    x = 14,708,464,303.10/132,859.20
  6. Step 6: Final answer
    x = 110,707.16

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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.