Home / 193,851.24-290,720.70-75,496.20

Finding the Fourth Proportional to 193,851.24, 290,720.70 and 75,496.20

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Solution

The fourth proportional to 193,851.24, 290,720.70 and 75,496.20 is: 113,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,851.24 : 290,720.70 = 75,496.20 : x
  2. Step 2: Convert to fraction form
    193,851.24/290,720.70 = 75,496.20/x
  3. Step 3: Cross multiply
    193,851.24x = 290,720.70 × 75,496.20
  4. Step 4: Simplify right side
    193,851.24x = 21,948,308,111.34
  5. Step 5: Solve for x
    x = 21,948,308,111.34/193,851.24
  6. Step 6: Final answer
    x = 113,222.43

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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.