Home / 195,680.80-293,521.20-102,215.20

Finding the Fourth Proportional to 195,680.80, 293,521.20 and 102,215.20

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Solution

The fourth proportional to 195,680.80, 293,521.20 and 102,215.20 is: 153,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,680.80 : 293,521.20 = 102,215.20 : x
  2. Step 2: Convert to fraction form
    195,680.80/293,521.20 = 102,215.20/x
  3. Step 3: Cross multiply
    195,680.80x = 293,521.20 × 102,215.20
  4. Step 4: Simplify right side
    195,680.80x = 30,002,328,162.24
  5. Step 5: Solve for x
    x = 30,002,328,162.24/195,680.80
  6. Step 6: Final answer
    x = 153,322.80

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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.