Home / 118,880.20-164,071.49-73,572.77

Finding the Fourth Proportional to 118,880.20, 164,071.49 and 73,572.77

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Solution

The fourth proportional to 118,880.20, 164,071.49 and 73,572.77 is: 101,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880.20 : 164,071.49 = 73,572.77 : x
  2. Step 2: Convert to fraction form
    118,880.20/164,071.49 = 73,572.77/x
  3. Step 3: Cross multiply
    118,880.20x = 164,071.49 × 73,572.77
  4. Step 4: Simplify right side
    118,880.20x = 12,071,193,997.33
  5. Step 5: Solve for x
    x = 12,071,193,997.33/118,880.20
  6. Step 6: Final answer
    x = 101,540.83

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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.