Home / 204,333.76-306,434.48-74,483.92

Finding the Fourth Proportional to 204,333.76, 306,434.48 and 74,483.92

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Solution

The fourth proportional to 204,333.76, 306,434.48 and 74,483.92 is: 111,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,333.76 : 306,434.48 = 74,483.92 : x
  2. Step 2: Convert to fraction form
    204,333.76/306,434.48 = 74,483.92/x
  3. Step 3: Cross multiply
    204,333.76x = 306,434.48 × 74,483.92
  4. Step 4: Simplify right side
    204,333.76x = 22,824,441,293.56
  5. Step 5: Solve for x
    x = 22,824,441,293.56/204,333.76
  6. Step 6: Final answer
    x = 111,701.76

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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.