Home / 195,530.04-269,650.62-123,787.80

Finding the Fourth Proportional to 195,530.04, 269,650.62 and 123,787.80

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Solution

The fourth proportional to 195,530.04, 269,650.62 and 123,787.80 is: 170,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,530.04 : 269,650.62 = 123,787.80 : x
  2. Step 2: Convert to fraction form
    195,530.04/269,650.62 = 123,787.80/x
  3. Step 3: Cross multiply
    195,530.04x = 269,650.62 × 123,787.80
  4. Step 4: Simplify right side
    195,530.04x = 33,379,457,018.44
  5. Step 5: Solve for x
    x = 33,379,457,018.44/195,530.04
  6. Step 6: Final answer
    x = 170,712.68

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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.