Home / 190,270.20-285,405.30-116,542.20

Finding the Fourth Proportional to 190,270.20, 285,405.30 and 116,542.20

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Solution

The fourth proportional to 190,270.20, 285,405.30 and 116,542.20 is: 174,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,270.20 : 285,405.30 = 116,542.20 : x
  2. Step 2: Convert to fraction form
    190,270.20/285,405.30 = 116,542.20/x
  3. Step 3: Cross multiply
    190,270.20x = 285,405.30 × 116,542.20
  4. Step 4: Simplify right side
    190,270.20x = 33,261,761,553.66
  5. Step 5: Solve for x
    x = 33,261,761,553.66/190,270.20
  6. Step 6: Final answer
    x = 174,813.30

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1.5x scale

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.