Home / 168,154.93-231,922.58-107,731.19

Finding the Fourth Proportional to 168,154.93, 231,922.58 and 107,731.19

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Solution

The fourth proportional to 168,154.93, 231,922.58 and 107,731.19 is: 148,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154.93 : 231,922.58 = 107,731.19 : x
  2. Step 2: Convert to fraction form
    168,154.93/231,922.58 = 107,731.19/x
  3. Step 3: Cross multiply
    168,154.93x = 231,922.58 × 107,731.19
  4. Step 4: Simplify right side
    168,154.93x = 24,985,295,572.42
  5. Step 5: Solve for x
    x = 24,985,295,572.42/168,154.93
  6. Step 6: Final answer
    x = 148,584.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.