Home / 234,234.12-323,243.19-126,804.15

Finding the Fourth Proportional to 234,234.12, 323,243.19 and 126,804.15

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Solution

The fourth proportional to 234,234.12, 323,243.19 and 126,804.15 is: 174,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,234.12 : 323,243.19 = 126,804.15 : x
  2. Step 2: Convert to fraction form
    234,234.12/323,243.19 = 126,804.15/x
  3. Step 3: Cross multiply
    234,234.12x = 323,243.19 × 126,804.15
  4. Step 4: Simplify right side
    234,234.12x = 40,988,577,951.24
  5. Step 5: Solve for x
    x = 40,988,577,951.24/234,234.12
  6. Step 6: Final answer
    x = 174,989.78

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1.5x scale

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.