Home / 118,856.90-178,276.37-43,942.02

Finding the Fourth Proportional to 118,856.90, 178,276.37 and 43,942.02

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Solution

The fourth proportional to 118,856.90, 178,276.37 and 43,942.02 is: 65,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,856.90 : 178,276.37 = 43,942.02 : x
  2. Step 2: Convert to fraction form
    118,856.90/178,276.37 = 43,942.02/x
  3. Step 3: Cross multiply
    118,856.90x = 178,276.37 × 43,942.02
  4. Step 4: Simplify right side
    118,856.90x = 7,833,823,596.36
  5. Step 5: Solve for x
    x = 7,833,823,596.36/118,856.90
  6. Step 6: Final answer
    x = 65,909.71

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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.