Home / 151,241.73-208,706.43-83,257.32

Finding the Fourth Proportional to 151,241.73, 208,706.43 and 83,257.32

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Solution

The fourth proportional to 151,241.73, 208,706.43 and 83,257.32 is: 114,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,241.73 : 208,706.43 = 83,257.32 : x
  2. Step 2: Convert to fraction form
    151,241.73/208,706.43 = 83,257.32/x
  3. Step 3: Cross multiply
    151,241.73x = 208,706.43 × 83,257.32
  4. Step 4: Simplify right side
    151,241.73x = 17,376,338,028.57
  5. Step 5: Solve for x
    x = 17,376,338,028.57/151,241.73
  6. Step 6: Final answer
    x = 114,891.16

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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.