Home / 212,285.11-292,953.44-116,789.75

Finding the Fourth Proportional to 212,285.11, 292,953.44 and 116,789.75

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Solution

The fourth proportional to 212,285.11, 292,953.44 and 116,789.75 is: 161,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,285.11 : 292,953.44 = 116,789.75 : x
  2. Step 2: Convert to fraction form
    212,285.11/292,953.44 = 116,789.75/x
  3. Step 3: Cross multiply
    212,285.11x = 292,953.44 × 116,789.75
  4. Step 4: Simplify right side
    212,285.11x = 34,213,958,435.29
  5. Step 5: Solve for x
    x = 34,213,958,435.29/212,285.11
  6. Step 6: Final answer
    x = 161,169.85

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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.