Home / 118,891.28-178,426.80-44,056.88

Finding the Fourth Proportional to 118,891.28, 178,426.80 and 44,056.88

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Solution

The fourth proportional to 118,891.28, 178,426.80 and 44,056.88 is: 66,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.28 : 178,426.80 = 44,056.88 : x
  2. Step 2: Convert to fraction form
    118,891.28/178,426.80 = 44,056.88/x
  3. Step 3: Cross multiply
    118,891.28x = 178,426.80 × 44,056.88
  4. Step 4: Simplify right side
    118,891.28x = 7,860,928,116.38
  5. Step 5: Solve for x
    x = 7,860,928,116.38/118,891.28
  6. Step 6: Final answer
    x = 66,118.63

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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.