Home / 190,234.36-285,351.18-57,114.40

Finding the Fourth Proportional to 190,234.36, 285,351.18 and 57,114.40

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Solution

The fourth proportional to 190,234.36, 285,351.18 and 57,114.40 is: 85,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,234.36 : 285,351.18 = 57,114.40 : x
  2. Step 2: Convert to fraction form
    190,234.36/285,351.18 = 57,114.40/x
  3. Step 3: Cross multiply
    190,234.36x = 285,351.18 × 57,114.40
  4. Step 4: Simplify right side
    190,234.36x = 16,297,661,434.99
  5. Step 5: Solve for x
    x = 16,297,661,434.99/190,234.36
  6. Step 6: Final answer
    x = 85,671.49

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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.