Home / 354,904.96-532,453.20-155,243.20

Finding the Fourth Proportional to 354,904.96, 532,453.20 and 155,243.20

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Solution

The fourth proportional to 354,904.96, 532,453.20 and 155,243.20 is: 232,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,904.96 : 532,453.20 = 155,243.20 : x
  2. Step 2: Convert to fraction form
    354,904.96/532,453.20 = 155,243.20/x
  3. Step 3: Cross multiply
    354,904.96x = 532,453.20 × 155,243.20
  4. Step 4: Simplify right side
    354,904.96x = 82,659,738,618.24
  5. Step 5: Solve for x
    x = 82,659,738,618.24/354,904.96
  6. Step 6: Final answer
    x = 232,906.69

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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.