Home / 118,600.00-163,767.72-84,712.43

Finding the Fourth Proportional to 118,600.00, 163,767.72 and 84,712.43

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Solution

The fourth proportional to 118,600.00, 163,767.72 and 84,712.43 is: 116,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.00 : 163,767.72 = 84,712.43 : x
  2. Step 2: Convert to fraction form
    118,600.00/163,767.72 = 84,712.43/x
  3. Step 3: Cross multiply
    118,600.00x = 163,767.72 × 84,712.43
  4. Step 4: Simplify right side
    118,600.00x = 13,873,162,243.85
  5. Step 5: Solve for x
    x = 13,873,162,243.85/118,600.00
  6. Step 6: Final answer
    x = 116,974.39

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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.