Home / 195,531.04-269,652-123,788.80

Finding the Fourth Proportional to 195,531.04, 269,652 and 123,788.80

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Solution

The fourth proportional to 195,531.04, 269,652 and 123,788.80 is: 170,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,531.04 : 269,652 = 123,788.80 : x
  2. Step 2: Convert to fraction form
    195,531.04/269,652 = 123,788.80/x
  3. Step 3: Cross multiply
    195,531.04x = 269,652 × 123,788.80
  4. Step 4: Simplify right side
    195,531.04x = 33,379,897,497.60
  5. Step 5: Solve for x
    x = 33,379,897,497.60/195,531.04
  6. Step 6: Final answer
    x = 170,714.06

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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.