Home / 328,360.28-492,568.38-103,660.60

Finding the Fourth Proportional to 328,360.28, 492,568.38 and 103,660.60

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Solution

The fourth proportional to 328,360.28, 492,568.38 and 103,660.60 is: 155,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,360.28 : 492,568.38 = 103,660.60 : x
  2. Step 2: Convert to fraction form
    328,360.28/492,568.38 = 103,660.60/x
  3. Step 3: Cross multiply
    328,360.28x = 492,568.38 × 103,660.60
  4. Step 4: Simplify right side
    328,360.28x = 51,059,933,811.83
  5. Step 5: Solve for x
    x = 51,059,933,811.83/328,360.28
  6. Step 6: Final answer
    x = 155,499.73

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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.