Home / 194,531.89-291,825.14-68,143.20

Finding the Fourth Proportional to 194,531.89, 291,825.14 and 68,143.20

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Solution

The fourth proportional to 194,531.89, 291,825.14 and 68,143.20 is: 102,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,531.89 : 291,825.14 = 68,143.20 : x
  2. Step 2: Convert to fraction form
    194,531.89/291,825.14 = 68,143.20/x
  3. Step 3: Cross multiply
    194,531.89x = 291,825.14 × 68,143.20
  4. Step 4: Simplify right side
    194,531.89x = 19,885,898,183.81
  5. Step 5: Solve for x
    x = 19,885,898,183.81/194,531.89
  6. Step 6: Final answer
    x = 102,224.36

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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.