Home / 235,137.23-352,615.58-100,115.69

Finding the Fourth Proportional to 235,137.23, 352,615.58 and 100,115.69

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Solution

The fourth proportional to 235,137.23, 352,615.58 and 100,115.69 is: 150,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,137.23 : 352,615.58 = 100,115.69 : x
  2. Step 2: Convert to fraction form
    235,137.23/352,615.58 = 100,115.69/x
  3. Step 3: Cross multiply
    235,137.23x = 352,615.58 × 100,115.69
  4. Step 4: Simplify right side
    235,137.23x = 35,302,352,096.45
  5. Step 5: Solve for x
    x = 35,302,352,096.45/235,137.23
  6. Step 6: Final answer
    x = 150,135.10

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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.