Home / 307,895.10-461,872.89-127,943.34

Finding the Fourth Proportional to 307,895.10, 461,872.89 and 127,943.34

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Solution

The fourth proportional to 307,895.10, 461,872.89 and 127,943.34 is: 191,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,895.10 : 461,872.89 = 127,943.34 : x
  2. Step 2: Convert to fraction form
    307,895.10/461,872.89 = 127,943.34/x
  3. Step 3: Cross multiply
    307,895.10x = 461,872.89 × 127,943.34
  4. Step 4: Simplify right side
    307,895.10x = 59,093,560,202.05
  5. Step 5: Solve for x
    x = 59,093,560,202.05/307,895.10
  6. Step 6: Final answer
    x = 191,927.58

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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.