Home / 185,793.12-256,500.73-122,315.44

Finding the Fourth Proportional to 185,793.12, 256,500.73 and 122,315.44

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Solution

The fourth proportional to 185,793.12, 256,500.73 and 122,315.44 is: 168,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,793.12 : 256,500.73 = 122,315.44 : x
  2. Step 2: Convert to fraction form
    185,793.12/256,500.73 = 122,315.44/x
  3. Step 3: Cross multiply
    185,793.12x = 256,500.73 × 122,315.44
  4. Step 4: Simplify right side
    185,793.12x = 31,373,999,344.48
  5. Step 5: Solve for x
    x = 31,373,999,344.48/185,793.12
  6. Step 6: Final answer
    x = 168,865.24

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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.