Home / 206,716.14-285,259.05-116,070.57

Finding the Fourth Proportional to 206,716.14, 285,259.05 and 116,070.57

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Solution

The fourth proportional to 206,716.14, 285,259.05 and 116,070.57 is: 160,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,716.14 : 285,259.05 = 116,070.57 : x
  2. Step 2: Convert to fraction form
    206,716.14/285,259.05 = 116,070.57/x
  3. Step 3: Cross multiply
    206,716.14x = 285,259.05 × 116,070.57
  4. Step 4: Simplify right side
    206,716.14x = 33,110,180,531.16
  5. Step 5: Solve for x
    x = 33,110,180,531.16/206,716.14
  6. Step 6: Final answer
    x = 160,172.21

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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.