Home / 127,830.41-191,745.62-39,083.92

Finding the Fourth Proportional to 127,830.41, 191,745.62 and 39,083.92

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Solution

The fourth proportional to 127,830.41, 191,745.62 and 39,083.92 is: 58,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830.41 : 191,745.62 = 39,083.92 : x
  2. Step 2: Convert to fraction form
    127,830.41/191,745.62 = 39,083.92/x
  3. Step 3: Cross multiply
    127,830.41x = 191,745.62 × 39,083.92
  4. Step 4: Simplify right side
    127,830.41x = 7,494,169,318.28
  5. Step 5: Solve for x
    x = 7,494,169,318.28/127,830.41
  6. Step 6: Final answer
    x = 58,625.87

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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.