Home / 109,195.79-163,793.75-30,310.02

Finding the Fourth Proportional to 109,195.79, 163,793.75 and 30,310.02

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Solution

The fourth proportional to 109,195.79, 163,793.75 and 30,310.02 is: 45,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.79 : 163,793.75 = 30,310.02 : x
  2. Step 2: Convert to fraction form
    109,195.79/163,793.75 = 30,310.02/x
  3. Step 3: Cross multiply
    109,195.79x = 163,793.75 × 30,310.02
  4. Step 4: Simplify right side
    109,195.79x = 4,964,591,686.82
  5. Step 5: Solve for x
    x = 4,964,591,686.82/109,195.79
  6. Step 6: Final answer
    x = 45,465.05

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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.