Home / 206,825.30-285,407.95-116,185.08

Finding the Fourth Proportional to 206,825.30, 285,407.95 and 116,185.08

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Solution

The fourth proportional to 206,825.30, 285,407.95 and 116,185.08 is: 160,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,825.30 : 285,407.95 = 116,185.08 : x
  2. Step 2: Convert to fraction form
    206,825.30/285,407.95 = 116,185.08/x
  3. Step 3: Cross multiply
    206,825.30x = 285,407.95 × 116,185.08
  4. Step 4: Simplify right side
    206,825.30x = 33,160,145,503.39
  5. Step 5: Solve for x
    x = 33,160,145,503.39/206,825.30
  6. Step 6: Final answer
    x = 160,329.25

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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.