Home / 109,195.93-163,794.81-30,316.30

Finding the Fourth Proportional to 109,195.93, 163,794.81 and 30,316.30

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Solution

The fourth proportional to 109,195.93, 163,794.81 and 30,316.30 is: 45,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.93 : 163,794.81 = 30,316.30 : x
  2. Step 2: Convert to fraction form
    109,195.93/163,794.81 = 30,316.30/x
  3. Step 3: Cross multiply
    109,195.93x = 163,794.81 × 30,316.30
  4. Step 4: Simplify right side
    109,195.93x = 4,965,653,098.95
  5. Step 5: Solve for x
    x = 4,965,653,098.95/109,195.93
  6. Step 6: Final answer
    x = 45,474.71

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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.