Home / 147,149.08-220,756.26-53,654.56

Finding the Fourth Proportional to 147,149.08, 220,756.26 and 53,654.56

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Solution

The fourth proportional to 147,149.08, 220,756.26 and 53,654.56 is: 80,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,149.08 : 220,756.26 = 53,654.56 : x
  2. Step 2: Convert to fraction form
    147,149.08/220,756.26 = 53,654.56/x
  3. Step 3: Cross multiply
    147,149.08x = 220,756.26 × 53,654.56
  4. Step 4: Simplify right side
    147,149.08x = 11,844,579,997.55
  5. Step 5: Solve for x
    x = 11,844,579,997.55/147,149.08
  6. Step 6: Final answer
    x = 80,493.74

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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.