Home / 356,918.20-492,560.90-195,780.04

Finding the Fourth Proportional to 356,918.20, 492,560.90 and 195,780.04

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Solution

The fourth proportional to 356,918.20, 492,560.90 and 195,780.04 is: 270,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,918.20 : 492,560.90 = 195,780.04 : x
  2. Step 2: Convert to fraction form
    356,918.20/492,560.90 = 195,780.04/x
  3. Step 3: Cross multiply
    356,918.20x = 492,560.90 × 195,780.04
  4. Step 4: Simplify right side
    356,918.20x = 96,433,591,228.31
  5. Step 5: Solve for x
    x = 96,433,591,228.31/356,918.20
  6. Step 6: Final answer
    x = 270,184.01

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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.