Home / 405,151.20-607,858.02-194,761.80

Finding the Fourth Proportional to 405,151.20, 607,858.02 and 194,761.80

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Solution

The fourth proportional to 405,151.20, 607,858.02 and 194,761.80 is: 292,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,151.20 : 607,858.02 = 194,761.80 : x
  2. Step 2: Convert to fraction form
    405,151.20/607,858.02 = 194,761.80/x
  3. Step 3: Cross multiply
    405,151.20x = 607,858.02 × 194,761.80
  4. Step 4: Simplify right side
    405,151.20x = 118,387,522,119.64
  5. Step 5: Solve for x
    x = 118,387,522,119.64/405,151.20
  6. Step 6: Final answer
    x = 292,205.78

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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.