Home / 345,009.03-476,112.36-192,043.90

Finding the Fourth Proportional to 345,009.03, 476,112.36 and 192,043.90

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Solution

The fourth proportional to 345,009.03, 476,112.36 and 192,043.90 is: 265,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,009.03 : 476,112.36 = 192,043.90 : x
  2. Step 2: Convert to fraction form
    345,009.03/476,112.36 = 192,043.90/x
  3. Step 3: Cross multiply
    345,009.03x = 476,112.36 × 192,043.90
  4. Step 4: Simplify right side
    345,009.03x = 91,434,474,452.60
  5. Step 5: Solve for x
    x = 91,434,474,452.60/345,009.03
  6. Step 6: Final answer
    x = 265,020.53

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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.