Home / 118,788.48-163,865.94-73,451.97

Finding the Fourth Proportional to 118,788.48, 163,865.94 and 73,451.97

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Solution

The fourth proportional to 118,788.48, 163,865.94 and 73,451.97 is: 101,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,788.48 : 163,865.94 = 73,451.97 : x
  2. Step 2: Convert to fraction form
    118,788.48/163,865.94 = 73,451.97/x
  3. Step 3: Cross multiply
    118,788.48x = 163,865.94 × 73,451.97
  4. Step 4: Simplify right side
    118,788.48x = 12,036,276,108.90
  5. Step 5: Solve for x
    x = 12,036,276,108.90/118,788.48
  6. Step 6: Final answer
    x = 101,325.28

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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.