Home / 109,086.24-163,633.02-30,193.86

Finding the Fourth Proportional to 109,086.24, 163,633.02 and 30,193.86

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Solution

The fourth proportional to 109,086.24, 163,633.02 and 30,193.86 is: 45,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,086.24 : 163,633.02 = 30,193.86 : x
  2. Step 2: Convert to fraction form
    109,086.24/163,633.02 = 30,193.86/x
  3. Step 3: Cross multiply
    109,086.24x = 163,633.02 × 30,193.86
  4. Step 4: Simplify right side
    109,086.24x = 4,940,712,497.26
  5. Step 5: Solve for x
    x = 4,940,712,497.26/109,086.24
  6. Step 6: Final answer
    x = 45,291.80

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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.