Home / 107,171.91-160,725.03-74,104.47

Finding the Fourth Proportional to 107,171.91, 160,725.03 and 74,104.47

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Solution

The fourth proportional to 107,171.91, 160,725.03 and 74,104.47 is: 111,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.91 : 160,725.03 = 74,104.47 : x
  2. Step 2: Convert to fraction form
    107,171.91/160,725.03 = 74,104.47/x
  3. Step 3: Cross multiply
    107,171.91x = 160,725.03 × 74,104.47
  4. Step 4: Simplify right side
    107,171.91x = 11,910,442,885.99
  5. Step 5: Solve for x
    x = 11,910,442,885.99/107,171.91
  6. Step 6: Final answer
    x = 111,134.00

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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.