Home / 194,127.92-291,018.60-75,771.68

Finding the Fourth Proportional to 194,127.92, 291,018.60 and 75,771.68

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Solution

The fourth proportional to 194,127.92, 291,018.60 and 75,771.68 is: 113,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,127.92 : 291,018.60 = 75,771.68 : x
  2. Step 2: Convert to fraction form
    194,127.92/291,018.60 = 75,771.68/x
  3. Step 3: Cross multiply
    194,127.92x = 291,018.60 × 75,771.68
  4. Step 4: Simplify right side
    194,127.92x = 22,050,968,233.25
  5. Step 5: Solve for x
    x = 22,050,968,233.25/194,127.92
  6. Step 6: Final answer
    x = 113,589.89

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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.