Home / 263,685.11-363,885.47-142,826.44

Finding the Fourth Proportional to 263,685.11, 363,885.47 and 142,826.44

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Solution

The fourth proportional to 263,685.11, 363,885.47 and 142,826.44 is: 197,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,685.11 : 363,885.47 = 142,826.44 : x
  2. Step 2: Convert to fraction form
    263,685.11/363,885.47 = 142,826.44/x
  3. Step 3: Cross multiply
    263,685.11x = 363,885.47 × 142,826.44
  4. Step 4: Simplify right side
    263,685.11x = 51,972,466,524.15
  5. Step 5: Solve for x
    x = 51,972,466,524.15/263,685.11
  6. Step 6: Final answer
    x = 197,100.50

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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.