Home / 217,566.20-326,365.02-91,079.24

Finding the Fourth Proportional to 217,566.20, 326,365.02 and 91,079.24

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Solution

The fourth proportional to 217,566.20, 326,365.02 and 91,079.24 is: 136,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,566.20 : 326,365.02 = 91,079.24 : x
  2. Step 2: Convert to fraction form
    217,566.20/326,365.02 = 91,079.24/x
  3. Step 3: Cross multiply
    217,566.20x = 326,365.02 × 91,079.24
  4. Step 4: Simplify right side
    217,566.20x = 29,725,076,608.52
  5. Step 5: Solve for x
    x = 29,725,076,608.52/217,566.20
  6. Step 6: Final answer
    x = 136,625.43

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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.