Home / 199,109.22-298,707.54-146,358.78

Finding the Fourth Proportional to 199,109.22, 298,707.54 and 146,358.78

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Solution

The fourth proportional to 199,109.22, 298,707.54 and 146,358.78 is: 219,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,109.22 : 298,707.54 = 146,358.78 : x
  2. Step 2: Convert to fraction form
    199,109.22/298,707.54 = 146,358.78/x
  3. Step 3: Cross multiply
    199,109.22x = 298,707.54 × 146,358.78
  4. Step 4: Simplify right side
    199,109.22x = 43,718,471,131.20
  5. Step 5: Solve for x
    x = 43,718,471,131.20/199,109.22
  6. Step 6: Final answer
    x = 219,570.30

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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.