Home / 202,270.78-303,541.61-83,942.23

Finding the Fourth Proportional to 202,270.78, 303,541.61 and 83,942.23

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Solution

The fourth proportional to 202,270.78, 303,541.61 and 83,942.23 is: 125,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,270.78 : 303,541.61 = 83,942.23 : x
  2. Step 2: Convert to fraction form
    202,270.78/303,541.61 = 83,942.23/x
  3. Step 3: Cross multiply
    202,270.78x = 303,541.61 × 83,942.23
  4. Step 4: Simplify right side
    202,270.78x = 25,479,959,641.19
  5. Step 5: Solve for x
    x = 25,479,959,641.19/202,270.78
  6. Step 6: Final answer
    x = 125,969.55

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1.5x scale

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.