Home / 118,655.19-177,982.92-43,742.88

Finding the Fourth Proportional to 118,655.19, 177,982.92 and 43,742.88

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Solution

The fourth proportional to 118,655.19, 177,982.92 and 43,742.88 is: 65,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,655.19 : 177,982.92 = 43,742.88 : x
  2. Step 2: Convert to fraction form
    118,655.19/177,982.92 = 43,742.88/x
  3. Step 3: Cross multiply
    118,655.19x = 177,982.92 × 43,742.88
  4. Step 4: Simplify right side
    118,655.19x = 7,785,485,511.61
  5. Step 5: Solve for x
    x = 7,785,485,511.61/118,655.19
  6. Step 6: Final answer
    x = 65,614.37

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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.