Home / 195,855.40-293,880.30-111,680.20

Finding the Fourth Proportional to 195,855.40, 293,880.30 and 111,680.20

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Solution

The fourth proportional to 195,855.40, 293,880.30 and 111,680.20 is: 167,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,855.40 : 293,880.30 = 111,680.20 : x
  2. Step 2: Convert to fraction form
    195,855.40/293,880.30 = 111,680.20/x
  3. Step 3: Cross multiply
    195,855.40x = 293,880.30 × 111,680.20
  4. Step 4: Simplify right side
    195,855.40x = 32,820,610,680.06
  5. Step 5: Solve for x
    x = 32,820,610,680.06/195,855.40
  6. Step 6: Final answer
    x = 167,575.73

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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.