Home / 204,319.17-306,384.12-113,073.21

Finding the Fourth Proportional to 204,319.17, 306,384.12 and 113,073.21

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Solution

The fourth proportional to 204,319.17, 306,384.12 and 113,073.21 is: 169,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,319.17 : 306,384.12 = 113,073.21 : x
  2. Step 2: Convert to fraction form
    204,319.17/306,384.12 = 113,073.21/x
  3. Step 3: Cross multiply
    204,319.17x = 306,384.12 × 113,073.21
  4. Step 4: Simplify right side
    204,319.17x = 34,643,835,941.43
  5. Step 5: Solve for x
    x = 34,643,835,941.43/204,319.17
  6. Step 6: Final answer
    x = 169,557.44

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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.