Home / 234,069.60-323,016.12-126,639.57

Finding the Fourth Proportional to 234,069.60, 323,016.12 and 126,639.57

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Solution

The fourth proportional to 234,069.60, 323,016.12 and 126,639.57 is: 174,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,069.60 : 323,016.12 = 126,639.57 : x
  2. Step 2: Convert to fraction form
    234,069.60/323,016.12 = 126,639.57/x
  3. Step 3: Cross multiply
    234,069.60x = 323,016.12 × 126,639.57
  4. Step 4: Simplify right side
    234,069.60x = 40,906,622,539.87
  5. Step 5: Solve for x
    x = 40,906,622,539.87/234,069.60
  6. Step 6: Final answer
    x = 174,762.65

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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.