Home / 151,984.98-209,732.73-83,998.44

Finding the Fourth Proportional to 151,984.98, 209,732.73 and 83,998.44

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Solution

The fourth proportional to 151,984.98, 209,732.73 and 83,998.44 is: 115,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,984.98 : 209,732.73 = 83,998.44 : x
  2. Step 2: Convert to fraction form
    151,984.98/209,732.73 = 83,998.44/x
  3. Step 3: Cross multiply
    151,984.98x = 209,732.73 × 83,998.44
  4. Step 4: Simplify right side
    151,984.98x = 17,617,222,136.94
  5. Step 5: Solve for x
    x = 17,617,222,136.94/151,984.98
  6. Step 6: Final answer
    x = 115,914.23

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1.5x scale

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.