Home / 204,330.78-306,496.20-56,586.78

Finding the Fourth Proportional to 204,330.78, 306,496.20 and 56,586.78

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Solution

The fourth proportional to 204,330.78, 306,496.20 and 56,586.78 is: 84,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,330.78 : 306,496.20 = 56,586.78 : x
  2. Step 2: Convert to fraction form
    204,330.78/306,496.20 = 56,586.78/x
  3. Step 3: Cross multiply
    204,330.78x = 306,496.20 × 56,586.78
  4. Step 4: Simplify right side
    204,330.78x = 17,343,633,040.24
  5. Step 5: Solve for x
    x = 17,343,633,040.24/204,330.78
  6. Step 6: Final answer
    x = 84,880.18

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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.