Home / 195,406.13-293,144.30-69,119.57

Finding the Fourth Proportional to 195,406.13, 293,144.30 and 69,119.57

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Solution

The fourth proportional to 195,406.13, 293,144.30 and 69,119.57 is: 103,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,406.13 : 293,144.30 = 69,119.57 : x
  2. Step 2: Convert to fraction form
    195,406.13/293,144.30 = 69,119.57/x
  3. Step 3: Cross multiply
    195,406.13x = 293,144.30 × 69,119.57
  4. Step 4: Simplify right side
    195,406.13x = 20,262,007,618.35
  5. Step 5: Solve for x
    x = 20,262,007,618.35/195,406.13
  6. Step 6: Final answer
    x = 103,691.77

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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.