Home / 127,861.44-191,785.21-39,114.95

Finding the Fourth Proportional to 127,861.44, 191,785.21 and 39,114.95

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Solution

The fourth proportional to 127,861.44, 191,785.21 and 39,114.95 is: 58,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,861.44 : 191,785.21 = 39,114.95 : x
  2. Step 2: Convert to fraction form
    127,861.44/191,785.21 = 39,114.95/x
  3. Step 3: Cross multiply
    127,861.44x = 191,785.21 × 39,114.95
  4. Step 4: Simplify right side
    127,861.44x = 7,501,667,745.39
  5. Step 5: Solve for x
    x = 7,501,667,745.39/127,861.44
  6. Step 6: Final answer
    x = 58,670.29

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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.