Home / 195,668.66-293,586.53-83,401.72

Finding the Fourth Proportional to 195,668.66, 293,586.53 and 83,401.72

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Solution

The fourth proportional to 195,668.66, 293,586.53 and 83,401.72 is: 125,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,668.66 : 293,586.53 = 83,401.72 : x
  2. Step 2: Convert to fraction form
    195,668.66/293,586.53 = 83,401.72/x
  3. Step 3: Cross multiply
    195,668.66x = 293,586.53 × 83,401.72
  4. Step 4: Simplify right side
    195,668.66x = 24,485,620,419.86
  5. Step 5: Solve for x
    x = 24,485,620,419.86/195,668.66
  6. Step 6: Final answer
    x = 125,138.18

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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.