Home / 305,195.03-421,190.24-169,241.52

Finding the Fourth Proportional to 305,195.03, 421,190.24 and 169,241.52

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Solution

The fourth proportional to 305,195.03, 421,190.24 and 169,241.52 is: 233,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,195.03 : 421,190.24 = 169,241.52 : x
  2. Step 2: Convert to fraction form
    305,195.03/421,190.24 = 169,241.52/x
  3. Step 3: Cross multiply
    305,195.03x = 421,190.24 × 169,241.52
  4. Step 4: Simplify right side
    305,195.03x = 71,282,875,580.56
  5. Step 5: Solve for x
    x = 71,282,875,580.56/305,195.03
  6. Step 6: Final answer
    x = 233,565.00

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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.