Home / 260,227.82-358,916.28-223,990.94

Finding the Fourth Proportional to 260,227.82, 358,916.28 and 223,990.94

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Solution

The fourth proportional to 260,227.82, 358,916.28 and 223,990.94 is: 308,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,227.82 : 358,916.28 = 223,990.94 : x
  2. Step 2: Convert to fraction form
    260,227.82/358,916.28 = 223,990.94/x
  3. Step 3: Cross multiply
    260,227.82x = 358,916.28 × 223,990.94
  4. Step 4: Simplify right side
    260,227.82x = 80,393,994,938.50
  5. Step 5: Solve for x
    x = 80,393,994,938.50/260,227.82
  6. Step 6: Final answer
    x = 308,936.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.