Home / 409,342.49-614,013.74-125,021.56

Finding the Fourth Proportional to 409,342.49, 614,013.74 and 125,021.56

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Solution

The fourth proportional to 409,342.49, 614,013.74 and 125,021.56 is: 187,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,342.49 : 614,013.74 = 125,021.56 : x
  2. Step 2: Convert to fraction form
    409,342.49/614,013.74 = 125,021.56/x
  3. Step 3: Cross multiply
    409,342.49x = 614,013.74 × 125,021.56
  4. Step 4: Simplify right side
    409,342.49x = 76,764,954,413.75
  5. Step 5: Solve for x
    x = 76,764,954,413.75/409,342.49
  6. Step 6: Final answer
    x = 187,532.34

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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.