Home / 118,121.70-177,209.28-43,241.52

Finding the Fourth Proportional to 118,121.70, 177,209.28 and 43,241.52

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Solution

The fourth proportional to 118,121.70, 177,209.28 and 43,241.52 is: 64,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,121.70 : 177,209.28 = 43,241.52 : x
  2. Step 2: Convert to fraction form
    118,121.70/177,209.28 = 43,241.52/x
  3. Step 3: Cross multiply
    118,121.70x = 177,209.28 × 43,241.52
  4. Step 4: Simplify right side
    118,121.70x = 7,662,798,625.31
  5. Step 5: Solve for x
    x = 7,662,798,625.31/118,121.70
  6. Step 6: Final answer
    x = 64,872.07

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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.