Home / 204,420.03-306,518.76-71,264.49

Finding the Fourth Proportional to 204,420.03, 306,518.76 and 71,264.49

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Solution

The fourth proportional to 204,420.03, 306,518.76 and 71,264.49 is: 106,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,420.03 : 306,518.76 = 71,264.49 : x
  2. Step 2: Convert to fraction form
    204,420.03/306,518.76 = 71,264.49/x
  3. Step 3: Cross multiply
    204,420.03x = 306,518.76 × 71,264.49
  4. Step 4: Simplify right side
    204,420.03x = 21,843,903,106.83
  5. Step 5: Solve for x
    x = 21,843,903,106.83/204,420.03
  6. Step 6: Final answer
    x = 106,857.94

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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.