Home / 213,081.20-294,043.45-117,586.65

Finding the Fourth Proportional to 213,081.20, 294,043.45 and 117,586.65

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Solution

The fourth proportional to 213,081.20, 294,043.45 and 117,586.65 is: 162,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081.20 : 294,043.45 = 117,586.65 : x
  2. Step 2: Convert to fraction form
    213,081.20/294,043.45 = 117,586.65/x
  3. Step 3: Cross multiply
    213,081.20x = 294,043.45 × 117,586.65
  4. Step 4: Simplify right side
    213,081.20x = 34,575,584,239.94
  5. Step 5: Solve for x
    x = 34,575,584,239.94/213,081.20
  6. Step 6: Final answer
    x = 162,264.83

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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.