Home / 234,401.65-323,475.83-126,971.68

Finding the Fourth Proportional to 234,401.65, 323,475.83 and 126,971.68

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Solution

The fourth proportional to 234,401.65, 323,475.83 and 126,971.68 is: 175,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,401.65 : 323,475.83 = 126,971.68 : x
  2. Step 2: Convert to fraction form
    234,401.65/323,475.83 = 126,971.68/x
  3. Step 3: Cross multiply
    234,401.65x = 323,475.83 × 126,971.68
  4. Step 4: Simplify right side
    234,401.65x = 41,072,268,975.54
  5. Step 5: Solve for x
    x = 41,072,268,975.54/234,401.65
  6. Step 6: Final answer
    x = 175,221.76

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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.