Home / 208,566.12-287,836.00-117,922.97

Finding the Fourth Proportional to 208,566.12, 287,836.00 and 117,922.97

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Solution

The fourth proportional to 208,566.12, 287,836.00 and 117,922.97 is: 162,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,566.12 : 287,836.00 = 117,922.97 : x
  2. Step 2: Convert to fraction form
    208,566.12/287,836.00 = 117,922.97/x
  3. Step 3: Cross multiply
    208,566.12x = 287,836.00 × 117,922.97
  4. Step 4: Simplify right side
    208,566.12x = 33,942,476,417.70
  5. Step 5: Solve for x
    x = 33,942,476,417.70/208,566.12
  6. Step 6: Final answer
    x = 162,742.04

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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.