Home / 190,062.85-285,103.74-56,930.41

Finding the Fourth Proportional to 190,062.85, 285,103.74 and 56,930.41

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Solution

The fourth proportional to 190,062.85, 285,103.74 and 56,930.41 is: 85,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,062.85 : 285,103.74 = 56,930.41 : x
  2. Step 2: Convert to fraction form
    190,062.85/285,103.74 = 56,930.41/x
  3. Step 3: Cross multiply
    190,062.85x = 285,103.74 × 56,930.41
  4. Step 4: Simplify right side
    190,062.85x = 16,231,072,810.73
  5. Step 5: Solve for x
    x = 16,231,072,810.73/190,062.85
  6. Step 6: Final answer
    x = 85,398.45

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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.