Home / 212,404.22-293,119.79-116,911.60

Finding the Fourth Proportional to 212,404.22, 293,119.79 and 116,911.60

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Solution

The fourth proportional to 212,404.22, 293,119.79 and 116,911.60 is: 161,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,404.22 : 293,119.79 = 116,911.60 : x
  2. Step 2: Convert to fraction form
    212,404.22/293,119.79 = 116,911.60/x
  3. Step 3: Cross multiply
    212,404.22x = 293,119.79 × 116,911.60
  4. Step 4: Simplify right side
    212,404.22x = 34,269,102,323.21
  5. Step 5: Solve for x
    x = 34,269,102,323.21/212,404.22
  6. Step 6: Final answer
    x = 161,339.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.