Home / 118,736.40-177,845.40-92,233.20

Finding the Fourth Proportional to 118,736.40, 177,845.40 and 92,233.20

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Solution

The fourth proportional to 118,736.40, 177,845.40 and 92,233.20 is: 138,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,736.40 : 177,845.40 = 92,233.20 : x
  2. Step 2: Convert to fraction form
    118,736.40/177,845.40 = 92,233.20/x
  3. Step 3: Cross multiply
    118,736.40x = 177,845.40 × 92,233.20
  4. Step 4: Simplify right side
    118,736.40x = 16,403,250,347.28
  5. Step 5: Solve for x
    x = 16,403,250,347.28/118,736.40
  6. Step 6: Final answer
    x = 138,148.46

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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.