Home / 205,910.51-284,010.02-188,969.46

Finding the Fourth Proportional to 205,910.51, 284,010.02 and 188,969.46

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Solution

The fourth proportional to 205,910.51, 284,010.02 and 188,969.46 is: 260,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,910.51 : 284,010.02 = 188,969.46 : x
  2. Step 2: Convert to fraction form
    205,910.51/284,010.02 = 188,969.46/x
  3. Step 3: Cross multiply
    205,910.51x = 284,010.02 × 188,969.46
  4. Step 4: Simplify right side
    205,910.51x = 53,669,221,651.45
  5. Step 5: Solve for x
    x = 53,669,221,651.45/205,910.51
  6. Step 6: Final answer
    x = 260,643.43

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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.