Home / 409,056.49-613,583.06-124,746.20

Finding the Fourth Proportional to 409,056.49, 613,583.06 and 124,746.20

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Solution

The fourth proportional to 409,056.49, 613,583.06 and 124,746.20 is: 187,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,056.49 : 613,583.06 = 124,746.20 : x
  2. Step 2: Convert to fraction form
    409,056.49/613,583.06 = 124,746.20/x
  3. Step 3: Cross multiply
    409,056.49x = 613,583.06 × 124,746.20
  4. Step 4: Simplify right side
    409,056.49x = 76,542,155,119.37
  5. Step 5: Solve for x
    x = 76,542,155,119.37/409,056.49
  6. Step 6: Final answer
    x = 187,118.79

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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.