Home / 212,287.11-292,956.19-116,791.75

Finding the Fourth Proportional to 212,287.11, 292,956.19 and 116,791.75

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Solution

The fourth proportional to 212,287.11, 292,956.19 and 116,791.75 is: 161,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,287.11 : 292,956.19 = 116,791.75 : x
  2. Step 2: Convert to fraction form
    212,287.11/292,956.19 = 116,791.75/x
  3. Step 3: Cross multiply
    212,287.11x = 292,956.19 × 116,791.75
  4. Step 4: Simplify right side
    212,287.11x = 34,214,866,103.43
  5. Step 5: Solve for x
    x = 34,214,866,103.43/212,287.11
  6. Step 6: Final answer
    x = 161,172.60

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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.