Home / 118,516.69-177,845.19-43,689.43

Finding the Fourth Proportional to 118,516.69, 177,845.19 and 43,689.43

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Solution

The fourth proportional to 118,516.69, 177,845.19 and 43,689.43 is: 65,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,516.69 : 177,845.19 = 43,689.43 : x
  2. Step 2: Convert to fraction form
    118,516.69/177,845.19 = 43,689.43/x
  3. Step 3: Cross multiply
    118,516.69x = 177,845.19 × 43,689.43
  4. Step 4: Simplify right side
    118,516.69x = 7,769,954,979.34
  5. Step 5: Solve for x
    x = 7,769,954,979.34/118,516.69
  6. Step 6: Final answer
    x = 65,560.01

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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.