Home / 118,398.07-177,591.32-43,512.46

Finding the Fourth Proportional to 118,398.07, 177,591.32 and 43,512.46

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Solution

The fourth proportional to 118,398.07, 177,591.32 and 43,512.46 is: 65,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,398.07 : 177,591.32 = 43,512.46 : x
  2. Step 2: Convert to fraction form
    118,398.07/177,591.32 = 43,512.46/x
  3. Step 3: Cross multiply
    118,398.07x = 177,591.32 × 43,512.46
  4. Step 4: Simplify right side
    118,398.07x = 7,727,434,709.48
  5. Step 5: Solve for x
    x = 7,727,434,709.48/118,398.07
  6. Step 6: Final answer
    x = 65,266.56

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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.