Home / 118,980.45-178,356.89-44,080.49

Finding the Fourth Proportional to 118,980.45, 178,356.89 and 44,080.49

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Solution

The fourth proportional to 118,980.45, 178,356.89 and 44,080.49 is: 66,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,980.45 : 178,356.89 = 44,080.49 : x
  2. Step 2: Convert to fraction form
    118,980.45/178,356.89 = 44,080.49/x
  3. Step 3: Cross multiply
    118,980.45x = 178,356.89 × 44,080.49
  4. Step 4: Simplify right side
    118,980.45x = 7,862,057,993.89
  5. Step 5: Solve for x
    x = 7,862,057,993.89/118,980.45
  6. Step 6: Final answer
    x = 66,078.57

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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.