Home / 107,211.55-160,614.33-71,565.39

Finding the Fourth Proportional to 107,211.55, 160,614.33 and 71,565.39

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Solution

The fourth proportional to 107,211.55, 160,614.33 and 71,565.39 is: 107,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,211.55 : 160,614.33 = 71,565.39 : x
  2. Step 2: Convert to fraction form
    107,211.55/160,614.33 = 71,565.39/x
  3. Step 3: Cross multiply
    107,211.55x = 160,614.33 × 71,565.39
  4. Step 4: Simplify right side
    107,211.55x = 11,494,427,166.04
  5. Step 5: Solve for x
    x = 11,494,427,166.04/107,211.55
  6. Step 6: Final answer
    x = 107,212.58

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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.