Home / 235,128.92-352,688.52-57,636.86

Finding the Fourth Proportional to 235,128.92, 352,688.52 and 57,636.86

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Solution

The fourth proportional to 235,128.92, 352,688.52 and 57,636.86 is: 86,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,128.92 : 352,688.52 = 57,636.86 : x
  2. Step 2: Convert to fraction form
    235,128.92/352,688.52 = 57,636.86/x
  3. Step 3: Cross multiply
    235,128.92x = 352,688.52 × 57,636.86
  4. Step 4: Simplify right side
    235,128.92x = 20,327,858,850.85
  5. Step 5: Solve for x
    x = 20,327,858,850.85/235,128.92
  6. Step 6: Final answer
    x = 86,454.10

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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.