Home / 215,652.52-323,509.02-75,379.24

Finding the Fourth Proportional to 215,652.52, 323,509.02 and 75,379.24

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Solution

The fourth proportional to 215,652.52, 323,509.02 and 75,379.24 is: 113,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,652.52 : 323,509.02 = 75,379.24 : x
  2. Step 2: Convert to fraction form
    215,652.52/323,509.02 = 75,379.24/x
  3. Step 3: Cross multiply
    215,652.52x = 323,509.02 × 75,379.24
  4. Step 4: Simplify right side
    215,652.52x = 24,385,864,060.74
  5. Step 5: Solve for x
    x = 24,385,864,060.74/215,652.52
  6. Step 6: Final answer
    x = 113,079.43

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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.