Home / 118,418.34-177,655.22-80,996.04

Finding the Fourth Proportional to 118,418.34, 177,655.22 and 80,996.04

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Solution

The fourth proportional to 118,418.34, 177,655.22 and 80,996.04 is: 121,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,418.34 : 177,655.22 = 80,996.04 : x
  2. Step 2: Convert to fraction form
    118,418.34/177,655.22 = 80,996.04/x
  3. Step 3: Cross multiply
    118,418.34x = 177,655.22 × 80,996.04
  4. Step 4: Simplify right side
    118,418.34x = 14,389,369,305.33
  5. Step 5: Solve for x
    x = 14,389,369,305.33/118,418.34
  6. Step 6: Final answer
    x = 121,513.01

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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.