Home / 216,335.88-298,542.24-120,842.28

Finding the Fourth Proportional to 216,335.88, 298,542.24 and 120,842.28

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Solution

The fourth proportional to 216,335.88, 298,542.24 and 120,842.28 is: 166,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,335.88 : 298,542.24 = 120,842.28 : x
  2. Step 2: Convert to fraction form
    216,335.88/298,542.24 = 120,842.28/x
  3. Step 3: Cross multiply
    216,335.88x = 298,542.24 × 120,842.28
  4. Step 4: Simplify right side
    216,335.88x = 36,076,524,957.91
  5. Step 5: Solve for x
    x = 36,076,524,957.91/216,335.88
  6. Step 6: Final answer
    x = 166,761.63

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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.