Home / 148,076.51-222,147.56-81,482.36

Finding the Fourth Proportional to 148,076.51, 222,147.56 and 81,482.36

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Solution

The fourth proportional to 148,076.51, 222,147.56 and 81,482.36 is: 122,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,076.51 : 222,147.56 = 81,482.36 : x
  2. Step 2: Convert to fraction form
    148,076.51/222,147.56 = 81,482.36/x
  3. Step 3: Cross multiply
    148,076.51x = 222,147.56 × 81,482.36
  4. Step 4: Simplify right side
    148,076.51x = 18,101,106,550.01
  5. Step 5: Solve for x
    x = 18,101,106,550.01/148,076.51
  6. Step 6: Final answer
    x = 122,241.58

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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.