Home / 148,029.33-222,076.80-69,100.50

Finding the Fourth Proportional to 148,029.33, 222,076.80 and 69,100.50

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Solution

The fourth proportional to 148,029.33, 222,076.80 and 69,100.50 is: 103,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,029.33 : 222,076.80 = 69,100.50 : x
  2. Step 2: Convert to fraction form
    148,029.33/222,076.80 = 69,100.50/x
  3. Step 3: Cross multiply
    148,029.33x = 222,076.80 × 69,100.50
  4. Step 4: Simplify right side
    148,029.33x = 15,345,617,918.40
  5. Step 5: Solve for x
    x = 15,345,617,918.40/148,029.33
  6. Step 6: Final answer
    x = 103,666.06

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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.