Home / 263,402.25-363,492.03-142,540.74

Finding the Fourth Proportional to 263,402.25, 363,492.03 and 142,540.74

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Solution

The fourth proportional to 263,402.25, 363,492.03 and 142,540.74 is: 196,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,402.25 : 363,492.03 = 142,540.74 : x
  2. Step 2: Convert to fraction form
    263,402.25/363,492.03 = 142,540.74/x
  3. Step 3: Cross multiply
    263,402.25x = 363,492.03 × 142,540.74
  4. Step 4: Simplify right side
    263,402.25x = 51,812,422,940.30
  5. Step 5: Solve for x
    x = 51,812,422,940.30/263,402.25
  6. Step 6: Final answer
    x = 196,704.56

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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.