Home / 190,206.30-285,103.50-123,694.17

Finding the Fourth Proportional to 190,206.30, 285,103.50 and 123,694.17

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Solution

The fourth proportional to 190,206.30, 285,103.50 and 123,694.17 is: 185,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.30 : 285,103.50 = 123,694.17 : x
  2. Step 2: Convert to fraction form
    190,206.30/285,103.50 = 123,694.17/x
  3. Step 3: Cross multiply
    190,206.30x = 285,103.50 × 123,694.17
  4. Step 4: Simplify right side
    190,206.30x = 35,265,640,796.60
  5. Step 5: Solve for x
    x = 35,265,640,796.60/190,206.30
  6. Step 6: Final answer
    x = 185,407.32

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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.