Home / 263,868.86-395,563.40-137,360.48

Finding the Fourth Proportional to 263,868.86, 395,563.40 and 137,360.48

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Solution

The fourth proportional to 263,868.86, 395,563.40 and 137,360.48 is: 205,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,868.86 : 395,563.40 = 137,360.48 : x
  2. Step 2: Convert to fraction form
    263,868.86/395,563.40 = 137,360.48/x
  3. Step 3: Cross multiply
    263,868.86x = 395,563.40 × 137,360.48
  4. Step 4: Simplify right side
    263,868.86x = 54,334,775,829.81
  5. Step 5: Solve for x
    x = 54,334,775,829.81/263,868.86
  6. Step 6: Final answer
    x = 205,915.84

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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.