Home / 263,719.93-363,934.61-142,861.21

Finding the Fourth Proportional to 263,719.93, 363,934.61 and 142,861.21

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Solution

The fourth proportional to 263,719.93, 363,934.61 and 142,861.21 is: 197,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,719.93 : 363,934.61 = 142,861.21 : x
  2. Step 2: Convert to fraction form
    263,719.93/363,934.61 = 142,861.21/x
  3. Step 3: Cross multiply
    263,719.93x = 363,934.61 × 142,861.21
  4. Step 4: Simplify right side
    263,719.93x = 51,992,137,389.20
  5. Step 5: Solve for x
    x = 51,992,137,389.20/263,719.93
  6. Step 6: Final answer
    x = 197,149.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.