Home / 195,635.12-293,536.92-105,659.78

Finding the Fourth Proportional to 195,635.12, 293,536.92 and 105,659.78

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Solution

The fourth proportional to 195,635.12, 293,536.92 and 105,659.78 is: 158,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,635.12 : 293,536.92 = 105,659.78 : x
  2. Step 2: Convert to fraction form
    195,635.12/293,536.92 = 105,659.78/x
  3. Step 3: Cross multiply
    195,635.12x = 293,536.92 × 105,659.78
  4. Step 4: Simplify right side
    195,635.12x = 31,015,046,389.08
  5. Step 5: Solve for x
    x = 31,015,046,389.08/195,635.12
  6. Step 6: Final answer
    x = 158,535.17

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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.