Home / 109,216.15-163,825.07-30,336.53

Finding the Fourth Proportional to 109,216.15, 163,825.07 and 30,336.53

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Solution

The fourth proportional to 109,216.15, 163,825.07 and 30,336.53 is: 45,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.15 : 163,825.07 = 30,336.53 : x
  2. Step 2: Convert to fraction form
    109,216.15/163,825.07 = 30,336.53/x
  3. Step 3: Cross multiply
    109,216.15x = 163,825.07 × 30,336.53
  4. Step 4: Simplify right side
    109,216.15x = 4,969,883,180.00
  5. Step 5: Solve for x
    x = 4,969,883,180.00/109,216.15
  6. Step 6: Final answer
    x = 45,505.02

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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.