Home / 118,854.18-178,285.32-43,993.08

Finding the Fourth Proportional to 118,854.18, 178,285.32 and 43,993.08

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Solution

The fourth proportional to 118,854.18, 178,285.32 and 43,993.08 is: 65,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.18 : 178,285.32 = 43,993.08 : x
  2. Step 2: Convert to fraction form
    118,854.18/178,285.32 = 43,993.08/x
  3. Step 3: Cross multiply
    118,854.18x = 178,285.32 × 43,993.08
  4. Step 4: Simplify right side
    118,854.18x = 7,843,320,345.59
  5. Step 5: Solve for x
    x = 7,843,320,345.59/118,854.18
  6. Step 6: Final answer
    x = 65,991.12

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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.