Home / 212,521.50-293,279.76-117,027.90

Finding the Fourth Proportional to 212,521.50, 293,279.76 and 117,027.90

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Solution

The fourth proportional to 212,521.50, 293,279.76 and 117,027.90 is: 161,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,521.50 : 293,279.76 = 117,027.90 : x
  2. Step 2: Convert to fraction form
    212,521.50/293,279.76 = 117,027.90/x
  3. Step 3: Cross multiply
    212,521.50x = 293,279.76 × 117,027.90
  4. Step 4: Simplify right side
    212,521.50x = 34,321,914,425.30
  5. Step 5: Solve for x
    x = 34,321,914,425.30/212,521.50
  6. Step 6: Final answer
    x = 161,498.55

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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.