Home / 150,787.30-225,852.90-121,262.80

Finding the Fourth Proportional to 150,787.30, 225,852.90 and 121,262.80

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Solution

The fourth proportional to 150,787.30, 225,852.90 and 121,262.80 is: 181,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,787.30 : 225,852.90 = 121,262.80 : x
  2. Step 2: Convert to fraction form
    150,787.30/225,852.90 = 121,262.80/x
  3. Step 3: Cross multiply
    150,787.30x = 225,852.90 × 121,262.80
  4. Step 4: Simplify right side
    150,787.30x = 27,387,555,042.12
  5. Step 5: Solve for x
    x = 27,387,555,042.12/150,787.30
  6. Step 6: Final answer
    x = 181,630.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.