Home / 263,638.96-363,819.78-142,777.42

Finding the Fourth Proportional to 263,638.96, 363,819.78 and 142,777.42

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Solution

The fourth proportional to 263,638.96, 363,819.78 and 142,777.42 is: 197,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,638.96 : 363,819.78 = 142,777.42 : x
  2. Step 2: Convert to fraction form
    263,638.96/363,819.78 = 142,777.42/x
  3. Step 3: Cross multiply
    263,638.96x = 363,819.78 × 142,777.42
  4. Step 4: Simplify right side
    263,638.96x = 51,945,249,533.37
  5. Step 5: Solve for x
    x = 51,945,249,533.37/263,638.96
  6. Step 6: Final answer
    x = 197,031.76

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1.5x scale

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.