Home / 167,795.21-231,455.88-107,344.71

Finding the Fourth Proportional to 167,795.21, 231,455.88 and 107,344.71

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Solution

The fourth proportional to 167,795.21, 231,455.88 and 107,344.71 is: 148,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,795.21 : 231,455.88 = 107,344.71 : x
  2. Step 2: Convert to fraction form
    167,795.21/231,455.88 = 107,344.71/x
  3. Step 3: Cross multiply
    167,795.21x = 231,455.88 × 107,344.71
  4. Step 4: Simplify right side
    167,795.21x = 24,845,564,316.39
  5. Step 5: Solve for x
    x = 24,845,564,316.39/167,795.21
  6. Step 6: Final answer
    x = 148,070.76

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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.