Home / 148,569.28-222,644.40-82,039.36

Finding the Fourth Proportional to 148,569.28, 222,644.40 and 82,039.36

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Solution

The fourth proportional to 148,569.28, 222,644.40 and 82,039.36 is: 122,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,569.28 : 222,644.40 = 82,039.36 : x
  2. Step 2: Convert to fraction form
    148,569.28/222,644.40 = 82,039.36/x
  3. Step 3: Cross multiply
    148,569.28x = 222,644.40 × 82,039.36
  4. Step 4: Simplify right side
    148,569.28x = 18,265,604,083.58
  5. Step 5: Solve for x
    x = 18,265,604,083.58/148,569.28
  6. Step 6: Final answer
    x = 122,943.34

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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.