Home / 234,318.76-323,359.43-126,888.46

Finding the Fourth Proportional to 234,318.76, 323,359.43 and 126,888.46

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Solution

The fourth proportional to 234,318.76, 323,359.43 and 126,888.46 is: 175,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,318.76 : 323,359.43 = 126,888.46 : x
  2. Step 2: Convert to fraction form
    234,318.76/323,359.43 = 126,888.46/x
  3. Step 3: Cross multiply
    234,318.76x = 323,359.43 × 126,888.46
  4. Step 4: Simplify right side
    234,318.76x = 41,030,580,099.18
  5. Step 5: Solve for x
    x = 41,030,580,099.18/234,318.76
  6. Step 6: Final answer
    x = 175,105.83

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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.