Home / 118,913.28-178,305.44-52,275.44

Finding the Fourth Proportional to 118,913.28, 178,305.44 and 52,275.44

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Solution

The fourth proportional to 118,913.28, 178,305.44 and 52,275.44 is: 78,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,913.28 : 178,305.44 = 52,275.44 : x
  2. Step 2: Convert to fraction form
    118,913.28/178,305.44 = 52,275.44/x
  3. Step 3: Cross multiply
    118,913.28x = 178,305.44 × 52,275.44
  4. Step 4: Simplify right side
    118,913.28x = 9,320,995,330.39
  5. Step 5: Solve for x
    x = 9,320,995,330.39/118,913.28
  6. Step 6: Final answer
    x = 78,384.81

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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.