Home / 118,981.84-178,422-62,786.56

Finding the Fourth Proportional to 118,981.84, 178,422 and 62,786.56

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Solution

The fourth proportional to 118,981.84, 178,422 and 62,786.56 is: 94,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,981.84 : 178,422 = 62,786.56 : x
  2. Step 2: Convert to fraction form
    118,981.84/178,422 = 62,786.56/x
  3. Step 3: Cross multiply
    118,981.84x = 178,422 × 62,786.56
  4. Step 4: Simplify right side
    118,981.84x = 11,202,503,608.32
  5. Step 5: Solve for x
    x = 11,202,503,608.32/118,981.84
  6. Step 6: Final answer
    x = 94,153.05

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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.