Home / 118,959.24-178,382.38-69,054.64

Finding the Fourth Proportional to 118,959.24, 178,382.38 and 69,054.64

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Solution

The fourth proportional to 118,959.24, 178,382.38 and 69,054.64 is: 103,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,959.24 : 178,382.38 = 69,054.64 : x
  2. Step 2: Convert to fraction form
    118,959.24/178,382.38 = 69,054.64/x
  3. Step 3: Cross multiply
    118,959.24x = 178,382.38 × 69,054.64
  4. Step 4: Simplify right side
    118,959.24x = 12,318,131,033.24
  5. Step 5: Solve for x
    x = 12,318,131,033.24/118,959.24
  6. Step 6: Final answer
    x = 103,549.17

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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.