Home / 188,968.52-260,776.49-104,085.59

Finding the Fourth Proportional to 188,968.52, 260,776.49 and 104,085.59

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Solution

The fourth proportional to 188,968.52, 260,776.49 and 104,085.59 is: 143,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,968.52 : 260,776.49 = 104,085.59 : x
  2. Step 2: Convert to fraction form
    188,968.52/260,776.49 = 104,085.59/x
  3. Step 3: Cross multiply
    188,968.52x = 260,776.49 × 104,085.59
  4. Step 4: Simplify right side
    188,968.52x = 27,143,072,995.47
  5. Step 5: Solve for x
    x = 27,143,072,995.47/188,968.52
  6. Step 6: Final answer
    x = 143,638.07

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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.