Home / 252,101.14-347,912.55-138,923.89

Finding the Fourth Proportional to 252,101.14, 347,912.55 and 138,923.89

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Solution

The fourth proportional to 252,101.14, 347,912.55 and 138,923.89 is: 191,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,101.14 : 347,912.55 = 138,923.89 : x
  2. Step 2: Convert to fraction form
    252,101.14/347,912.55 = 138,923.89/x
  3. Step 3: Cross multiply
    252,101.14x = 347,912.55 × 138,923.89
  4. Step 4: Simplify right side
    252,101.14x = 48,333,362,391.64
  5. Step 5: Solve for x
    x = 48,333,362,391.64/252,101.14
  6. Step 6: Final answer
    x = 191,722.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.