Home / 240,122.36-331,359.94-132,690.16

Finding the Fourth Proportional to 240,122.36, 331,359.94 and 132,690.16

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Solution

The fourth proportional to 240,122.36, 331,359.94 and 132,690.16 is: 183,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,122.36 : 331,359.94 = 132,690.16 : x
  2. Step 2: Convert to fraction form
    240,122.36/331,359.94 = 132,690.16/x
  3. Step 3: Cross multiply
    240,122.36x = 331,359.94 × 132,690.16
  4. Step 4: Simplify right side
    240,122.36x = 43,968,203,456.19
  5. Step 5: Solve for x
    x = 43,968,203,456.19/240,122.36
  6. Step 6: Final answer
    x = 183,107.49

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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.