Home / 109,195.80-163,794.62-30,316.18

Finding the Fourth Proportional to 109,195.80, 163,794.62 and 30,316.18

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Solution

The fourth proportional to 109,195.80, 163,794.62 and 30,316.18 is: 45,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.80 : 163,794.62 = 30,316.18 : x
  2. Step 2: Convert to fraction form
    109,195.80/163,794.62 = 30,316.18/x
  3. Step 3: Cross multiply
    109,195.80x = 163,794.62 × 30,316.18
  4. Step 4: Simplify right side
    109,195.80x = 4,965,626,940.31
  5. Step 5: Solve for x
    x = 4,965,626,940.31/109,195.80
  6. Step 6: Final answer
    x = 45,474.52

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1.5x scale

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.