Home / 356,931.76-492,579.60-195,793.60

Finding the Fourth Proportional to 356,931.76, 492,579.60 and 195,793.60

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Solution

The fourth proportional to 356,931.76, 492,579.60 and 195,793.60 is: 270,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,931.76 : 492,579.60 = 195,793.60 : x
  2. Step 2: Convert to fraction form
    356,931.76/492,579.60 = 195,793.60/x
  3. Step 3: Cross multiply
    356,931.76x = 492,579.60 × 195,793.60
  4. Step 4: Simplify right side
    356,931.76x = 96,443,933,170.56
  5. Step 5: Solve for x
    x = 96,443,933,170.56/356,931.76
  6. Step 6: Final answer
    x = 270,202.72

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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.