Home / 307,723.78-461,235.75-130,119.94

Finding the Fourth Proportional to 307,723.78, 461,235.75 and 130,119.94

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Solution

The fourth proportional to 307,723.78, 461,235.75 and 130,119.94 is: 195,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,723.78 : 461,235.75 = 130,119.94 : x
  2. Step 2: Convert to fraction form
    307,723.78/461,235.75 = 130,119.94/x
  3. Step 3: Cross multiply
    307,723.78x = 461,235.75 × 130,119.94
  4. Step 4: Simplify right side
    307,723.78x = 60,015,968,115.86
  5. Step 5: Solve for x
    x = 60,015,968,115.86/307,723.78
  6. Step 6: Final answer
    x = 195,031.95

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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.