Home / 107,211.33-160,614.01-71,565.16

Finding the Fourth Proportional to 107,211.33, 160,614.01 and 71,565.16

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Solution

The fourth proportional to 107,211.33, 160,614.01 and 71,565.16 is: 107,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,211.33 : 160,614.01 = 71,565.16 : x
  2. Step 2: Convert to fraction form
    107,211.33/160,614.01 = 71,565.16/x
  3. Step 3: Cross multiply
    107,211.33x = 160,614.01 × 71,565.16
  4. Step 4: Simplify right side
    107,211.33x = 11,494,367,323.89
  5. Step 5: Solve for x
    x = 11,494,367,323.89/107,211.33
  6. Step 6: Final answer
    x = 107,212.24

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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.