Home / 118,800.27-178,233.21-47,744.64

Finding the Fourth Proportional to 118,800.27, 178,233.21 and 47,744.64

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Solution

The fourth proportional to 118,800.27, 178,233.21 and 47,744.64 is: 71,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,800.27 : 178,233.21 = 47,744.64 : x
  2. Step 2: Convert to fraction form
    118,800.27/178,233.21 = 47,744.64/x
  3. Step 3: Cross multiply
    118,800.27x = 178,233.21 × 47,744.64
  4. Step 4: Simplify right side
    118,800.27x = 8,509,680,447.49
  5. Step 5: Solve for x
    x = 8,509,680,447.49/118,800.27
  6. Step 6: Final answer
    x = 71,630.14

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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.