Home / 190,195.50-285,321.06-57,086.28

Finding the Fourth Proportional to 190,195.50, 285,321.06 and 57,086.28

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Solution

The fourth proportional to 190,195.50, 285,321.06 and 57,086.28 is: 85,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,195.50 : 285,321.06 = 57,086.28 : x
  2. Step 2: Convert to fraction form
    190,195.50/285,321.06 = 57,086.28/x
  3. Step 3: Cross multiply
    190,195.50x = 285,321.06 × 57,086.28
  4. Step 4: Simplify right side
    190,195.50x = 16,287,917,921.06
  5. Step 5: Solve for x
    x = 16,287,917,921.06/190,195.50
  6. Step 6: Final answer
    x = 85,637.77

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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.