Home / 257,640.54-355,547.44-192,995.25

Finding the Fourth Proportional to 257,640.54, 355,547.44 and 192,995.25

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Solution

The fourth proportional to 257,640.54, 355,547.44 and 192,995.25 is: 266,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,640.54 : 355,547.44 = 192,995.25 : x
  2. Step 2: Convert to fraction form
    257,640.54/355,547.44 = 192,995.25/x
  3. Step 3: Cross multiply
    257,640.54x = 355,547.44 × 192,995.25
  4. Step 4: Simplify right side
    257,640.54x = 68,618,967,069.66
  5. Step 5: Solve for x
    x = 68,618,967,069.66/257,640.54
  6. Step 6: Final answer
    x = 266,336.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.