Home / 212,786.72-293,645.60-117,295.02

Finding the Fourth Proportional to 212,786.72, 293,645.60 and 117,295.02

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Solution

The fourth proportional to 212,786.72, 293,645.60 and 117,295.02 is: 161,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,786.72 : 293,645.60 = 117,295.02 : x
  2. Step 2: Convert to fraction form
    212,786.72/293,645.60 = 117,295.02/x
  3. Step 3: Cross multiply
    212,786.72x = 293,645.60 × 117,295.02
  4. Step 4: Simplify right side
    212,786.72x = 34,443,166,524.91
  5. Step 5: Solve for x
    x = 34,443,166,524.91/212,786.72
  6. Step 6: Final answer
    x = 161,867.09

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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.