Home / 208,192.01-287,283.66-120,963.51

Finding the Fourth Proportional to 208,192.01, 287,283.66 and 120,963.51

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Solution

The fourth proportional to 208,192.01, 287,283.66 and 120,963.51 is: 166,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,192.01 : 287,283.66 = 120,963.51 : x
  2. Step 2: Convert to fraction form
    208,192.01/287,283.66 = 120,963.51/x
  3. Step 3: Cross multiply
    208,192.01x = 287,283.66 × 120,963.51
  4. Step 4: Simplify right side
    208,192.01x = 34,750,839,879.25
  5. Step 5: Solve for x
    x = 34,750,839,879.25/208,192.01
  6. Step 6: Final answer
    x = 166,917.26

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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.