Home / 211,251.33-316,876.86-84,891.60

Finding the Fourth Proportional to 211,251.33, 316,876.86 and 84,891.60

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Solution

The fourth proportional to 211,251.33, 316,876.86 and 84,891.60 is: 127,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,251.33 : 316,876.86 = 84,891.60 : x
  2. Step 2: Convert to fraction form
    211,251.33/316,876.86 = 84,891.60/x
  3. Step 3: Cross multiply
    211,251.33x = 316,876.86 × 84,891.60
  4. Step 4: Simplify right side
    211,251.33x = 26,900,183,648.38
  5. Step 5: Solve for x
    x = 26,900,183,648.38/211,251.33
  6. Step 6: Final answer
    x = 127,337.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.