Home / 307,849.10-461,822.25-130,357.22

Finding the Fourth Proportional to 307,849.10, 461,822.25 and 130,357.22

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Solution

The fourth proportional to 307,849.10, 461,822.25 and 130,357.22 is: 195,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,849.10 : 461,822.25 = 130,357.22 : x
  2. Step 2: Convert to fraction form
    307,849.10/461,822.25 = 130,357.22/x
  3. Step 3: Cross multiply
    307,849.10x = 461,822.25 × 130,357.22
  4. Step 4: Simplify right side
    307,849.10x = 60,201,864,644.15
  5. Step 5: Solve for x
    x = 60,201,864,644.15/307,849.10
  6. Step 6: Final answer
    x = 195,556.41

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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.