Home / 118,757.89-163,845.20-67,733.76

Finding the Fourth Proportional to 118,757.89, 163,845.20 and 67,733.76

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Solution

The fourth proportional to 118,757.89, 163,845.20 and 67,733.76 is: 93,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,757.89 : 163,845.20 = 67,733.76 : x
  2. Step 2: Convert to fraction form
    118,757.89/163,845.20 = 67,733.76/x
  3. Step 3: Cross multiply
    118,757.89x = 163,845.20 × 67,733.76
  4. Step 4: Simplify right side
    118,757.89x = 11,097,851,623.29
  5. Step 5: Solve for x
    x = 11,097,851,623.29/118,757.89
  6. Step 6: Final answer
    x = 93,449.39

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1.5x scale

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.