Home / 190,223.20-285,382.18-57,105.91

Finding the Fourth Proportional to 190,223.20, 285,382.18 and 57,105.91

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Solution

The fourth proportional to 190,223.20, 285,382.18 and 57,105.91 is: 85,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,223.20 : 285,382.18 = 57,105.91 : x
  2. Step 2: Convert to fraction form
    190,223.20/285,382.18 = 57,105.91/x
  3. Step 3: Cross multiply
    190,223.20x = 285,382.18 × 57,105.91
  4. Step 4: Simplify right side
    190,223.20x = 16,297,007,659.77
  5. Step 5: Solve for x
    x = 16,297,007,659.77/190,223.20
  6. Step 6: Final answer
    x = 85,673.08

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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.