Home / 204,885.93-306,749.34-108,603.76

Finding the Fourth Proportional to 204,885.93, 306,749.34 and 108,603.76

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Solution

The fourth proportional to 204,885.93, 306,749.34 and 108,603.76 is: 162,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,885.93 : 306,749.34 = 108,603.76 : x
  2. Step 2: Convert to fraction form
    204,885.93/306,749.34 = 108,603.76/x
  3. Step 3: Cross multiply
    204,885.93x = 306,749.34 × 108,603.76
  4. Step 4: Simplify right side
    204,885.93x = 33,314,131,158.50
  5. Step 5: Solve for x
    x = 33,314,131,158.50/204,885.93
  6. Step 6: Final answer
    x = 162,598.43

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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.