Home / 118,974.78-164,182.24-67,984.27

Finding the Fourth Proportional to 118,974.78, 164,182.24 and 67,984.27

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Solution

The fourth proportional to 118,974.78, 164,182.24 and 67,984.27 is: 93,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,974.78 : 164,182.24 = 67,984.27 : x
  2. Step 2: Convert to fraction form
    118,974.78/164,182.24 = 67,984.27/x
  3. Step 3: Cross multiply
    118,974.78x = 164,182.24 × 67,984.27
  4. Step 4: Simplify right side
    118,974.78x = 11,161,808,572.53
  5. Step 5: Solve for x
    x = 11,161,808,572.53/118,974.78
  6. Step 6: Final answer
    x = 93,816.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.