Home / 175,338.20-263,007.30-100,688.60

Finding the Fourth Proportional to 175,338.20, 263,007.30 and 100,688.60

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Solution

The fourth proportional to 175,338.20, 263,007.30 and 100,688.60 is: 151,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,338.20 : 263,007.30 = 100,688.60 : x
  2. Step 2: Convert to fraction form
    175,338.20/263,007.30 = 100,688.60/x
  3. Step 3: Cross multiply
    175,338.20x = 263,007.30 × 100,688.60
  4. Step 4: Simplify right side
    175,338.20x = 26,481,836,826.78
  5. Step 5: Solve for x
    x = 26,481,836,826.78/175,338.20
  6. Step 6: Final answer
    x = 151,032.90

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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.