Home / 199,167.56-298,798.03-79,231.31

Finding the Fourth Proportional to 199,167.56, 298,798.03 and 79,231.31

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Solution

The fourth proportional to 199,167.56, 298,798.03 and 79,231.31 is: 118,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,167.56 : 298,798.03 = 79,231.31 : x
  2. Step 2: Convert to fraction form
    199,167.56/298,798.03 = 79,231.31/x
  3. Step 3: Cross multiply
    199,167.56x = 298,798.03 × 79,231.31
  4. Step 4: Simplify right side
    199,167.56x = 23,674,158,946.16
  5. Step 5: Solve for x
    x = 23,674,158,946.16/199,167.56
  6. Step 6: Final answer
    x = 118,865.54

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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.