Home / 165,541.91-228,517.15-140,179.55

Finding the Fourth Proportional to 165,541.91, 228,517.15 and 140,179.55

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Solution

The fourth proportional to 165,541.91, 228,517.15 and 140,179.55 is: 193,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,541.91 : 228,517.15 = 140,179.55 : x
  2. Step 2: Convert to fraction form
    165,541.91/228,517.15 = 140,179.55/x
  3. Step 3: Cross multiply
    165,541.91x = 228,517.15 × 140,179.55
  4. Step 4: Simplify right side
    165,541.91x = 32,033,429,761.25
  5. Step 5: Solve for x
    x = 32,033,429,761.25/165,541.91
  6. Step 6: Final answer
    x = 193,506.47

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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.