Home / 193,720.53-290,558.88-67,339.47

Finding the Fourth Proportional to 193,720.53, 290,558.88 and 67,339.47

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Solution

The fourth proportional to 193,720.53, 290,558.88 and 67,339.47 is: 101,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,720.53 : 290,558.88 = 67,339.47 : x
  2. Step 2: Convert to fraction form
    193,720.53/290,558.88 = 67,339.47/x
  3. Step 3: Cross multiply
    193,720.53x = 290,558.88 × 67,339.47
  4. Step 4: Simplify right side
    193,720.53x = 19,566,080,982.99
  5. Step 5: Solve for x
    x = 19,566,080,982.99/193,720.53
  6. Step 6: Final answer
    x = 101,001.59

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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.