Home / 263,829.03-396,273.07-157,420.60

Finding the Fourth Proportional to 263,829.03, 396,273.07 and 157,420.60

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Solution

The fourth proportional to 263,829.03, 396,273.07 and 157,420.60 is: 236,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,829.03 : 396,273.07 = 157,420.60 : x
  2. Step 2: Convert to fraction form
    263,829.03/396,273.07 = 157,420.60/x
  3. Step 3: Cross multiply
    263,829.03x = 396,273.07 × 157,420.60
  4. Step 4: Simplify right side
    263,829.03x = 62,381,543,656.14
  5. Step 5: Solve for x
    x = 62,381,543,656.14/263,829.03
  6. Step 6: Final answer
    x = 236,446.85

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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.