Home / 127,447.89-191,171.82-60,685.61

Finding the Fourth Proportional to 127,447.89, 191,171.82 and 60,685.61

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Solution

The fourth proportional to 127,447.89, 191,171.82 and 60,685.61 is: 91,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.89 : 191,171.82 = 60,685.61 : x
  2. Step 2: Convert to fraction form
    127,447.89/191,171.82 = 60,685.61/x
  3. Step 3: Cross multiply
    127,447.89x = 191,171.82 × 60,685.61
  4. Step 4: Simplify right side
    127,447.89x = 11,601,377,555.65
  5. Step 5: Solve for x
    x = 11,601,377,555.65/127,447.89
  6. Step 6: Final answer
    x = 91,028.40

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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.