Home / 118,267.43-163,245.24-72,959.54

Finding the Fourth Proportional to 118,267.43, 163,245.24 and 72,959.54

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Solution

The fourth proportional to 118,267.43, 163,245.24 and 72,959.54 is: 100,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,267.43 : 163,245.24 = 72,959.54 : x
  2. Step 2: Convert to fraction form
    118,267.43/163,245.24 = 72,959.54/x
  3. Step 3: Cross multiply
    118,267.43x = 163,245.24 × 72,959.54
  4. Step 4: Simplify right side
    118,267.43x = 11,910,296,801.36
  5. Step 5: Solve for x
    x = 11,910,296,801.36/118,267.43
  6. Step 6: Final answer
    x = 100,706.49

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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.