Home / 204,136.08-306,211.12-71,017.52

Finding the Fourth Proportional to 204,136.08, 306,211.12 and 71,017.52

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Solution

The fourth proportional to 204,136.08, 306,211.12 and 71,017.52 is: 106,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,136.08 : 306,211.12 = 71,017.52 : x
  2. Step 2: Convert to fraction form
    204,136.08/306,211.12 = 71,017.52/x
  3. Step 3: Cross multiply
    204,136.08x = 306,211.12 × 71,017.52
  4. Step 4: Simplify right side
    204,136.08x = 21,746,354,338.82
  5. Step 5: Solve for x
    x = 21,746,354,338.82/204,136.08
  6. Step 6: Final answer
    x = 106,528.72

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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.