Home / 151,954.35-209,696.09-83,973.90

Finding the Fourth Proportional to 151,954.35, 209,696.09 and 83,973.90

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Solution

The fourth proportional to 151,954.35, 209,696.09 and 83,973.90 is: 115,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,954.35 : 209,696.09 = 83,973.90 : x
  2. Step 2: Convert to fraction form
    151,954.35/209,696.09 = 83,973.90/x
  3. Step 3: Cross multiply
    151,954.35x = 209,696.09 × 83,973.90
  4. Step 4: Simplify right side
    151,954.35x = 17,608,998,072.18
  5. Step 5: Solve for x
    x = 17,608,998,072.18/151,954.35
  6. Step 6: Final answer
    x = 115,883.47

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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.