Home / 193,459.68-290,014.24-68,771.52

Finding the Fourth Proportional to 193,459.68, 290,014.24 and 68,771.52

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Solution

The fourth proportional to 193,459.68, 290,014.24 and 68,771.52 is: 103,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,459.68 : 290,014.24 = 68,771.52 : x
  2. Step 2: Convert to fraction form
    193,459.68/290,014.24 = 68,771.52/x
  3. Step 3: Cross multiply
    193,459.68x = 290,014.24 × 68,771.52
  4. Step 4: Simplify right side
    193,459.68x = 19,944,720,106.44
  5. Step 5: Solve for x
    x = 19,944,720,106.44/193,459.68
  6. Step 6: Final answer
    x = 103,094.97

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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.