Home / 127,683.82-191,508.55-52,793.65

Finding the Fourth Proportional to 127,683.82, 191,508.55 and 52,793.65

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Solution

The fourth proportional to 127,683.82, 191,508.55 and 52,793.65 is: 79,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.82 : 191,508.55 = 52,793.65 : x
  2. Step 2: Convert to fraction form
    127,683.82/191,508.55 = 52,793.65/x
  3. Step 3: Cross multiply
    127,683.82x = 191,508.55 × 52,793.65
  4. Step 4: Simplify right side
    127,683.82x = 10,110,435,360.71
  5. Step 5: Solve for x
    x = 10,110,435,360.71/127,683.82
  6. Step 6: Final answer
    x = 79,183.37

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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.