Home / 195,816.20-293,724.30-112,872.20

Finding the Fourth Proportional to 195,816.20, 293,724.30 and 112,872.20

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Solution

The fourth proportional to 195,816.20, 293,724.30 and 112,872.20 is: 169,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,816.20 : 293,724.30 = 112,872.20 : x
  2. Step 2: Convert to fraction form
    195,816.20/293,724.30 = 112,872.20/x
  3. Step 3: Cross multiply
    195,816.20x = 293,724.30 × 112,872.20
  4. Step 4: Simplify right side
    195,816.20x = 33,153,307,934.46
  5. Step 5: Solve for x
    x = 33,153,307,934.46/195,816.20
  6. Step 6: Final answer
    x = 169,308.30

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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.