Home / 229,187.21-343,785.06-79,432.38

Finding the Fourth Proportional to 229,187.21, 343,785.06 and 79,432.38

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Solution

The fourth proportional to 229,187.21, 343,785.06 and 79,432.38 is: 119,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,187.21 : 343,785.06 = 79,432.38 : x
  2. Step 2: Convert to fraction form
    229,187.21/343,785.06 = 79,432.38/x
  3. Step 3: Cross multiply
    229,187.21x = 343,785.06 × 79,432.38
  4. Step 4: Simplify right side
    229,187.21x = 27,307,665,524.24
  5. Step 5: Solve for x
    x = 27,307,665,524.24/229,187.21
  6. Step 6: Final answer
    x = 119,150.04

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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.