Home / 127,515.51-191,148.46-47,494.73

Finding the Fourth Proportional to 127,515.51, 191,148.46 and 47,494.73

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Solution

The fourth proportional to 127,515.51, 191,148.46 and 47,494.73 is: 71,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,515.51 : 191,148.46 = 47,494.73 : x
  2. Step 2: Convert to fraction form
    127,515.51/191,148.46 = 47,494.73/x
  3. Step 3: Cross multiply
    127,515.51x = 191,148.46 × 47,494.73
  4. Step 4: Simplify right side
    127,515.51x = 9,078,544,856.75
  5. Step 5: Solve for x
    x = 9,078,544,856.75/127,515.51
  6. Step 6: Final answer
    x = 71,195.61

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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.