Home / 211,246.50-316,889.31-69,092.58

Finding the Fourth Proportional to 211,246.50, 316,889.31 and 69,092.58

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Solution

The fourth proportional to 211,246.50, 316,889.31 and 69,092.58 is: 103,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,246.50 : 316,889.31 = 69,092.58 : x
  2. Step 2: Convert to fraction form
    211,246.50/316,889.31 = 69,092.58/x
  3. Step 3: Cross multiply
    211,246.50x = 316,889.31 × 69,092.58
  4. Step 4: Simplify right side
    211,246.50x = 21,894,700,002.32
  5. Step 5: Solve for x
    x = 21,894,700,002.32/211,246.50
  6. Step 6: Final answer
    x = 103,645.27

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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.