Home / 118,736.20-178,104.30-56,528.20

Finding the Fourth Proportional to 118,736.20, 178,104.30 and 56,528.20

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Solution

The fourth proportional to 118,736.20, 178,104.30 and 56,528.20 is: 84,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,736.20 : 178,104.30 = 56,528.20 : x
  2. Step 2: Convert to fraction form
    118,736.20/178,104.30 = 56,528.20/x
  3. Step 3: Cross multiply
    118,736.20x = 178,104.30 × 56,528.20
  4. Step 4: Simplify right side
    118,736.20x = 10,067,915,491.26
  5. Step 5: Solve for x
    x = 10,067,915,491.26/118,736.20
  6. Step 6: Final answer
    x = 84,792.30

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1.5x scale

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.