Home / 146,940.48-202,784.16-90,370.56

Finding the Fourth Proportional to 146,940.48, 202,784.16 and 90,370.56

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Solution

The fourth proportional to 146,940.48, 202,784.16 and 90,370.56 is: 124,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,940.48 : 202,784.16 = 90,370.56 : x
  2. Step 2: Convert to fraction form
    146,940.48/202,784.16 = 90,370.56/x
  3. Step 3: Cross multiply
    146,940.48x = 202,784.16 × 90,370.56
  4. Step 4: Simplify right side
    146,940.48x = 18,325,718,098.33
  5. Step 5: Solve for x
    x = 18,325,718,098.33/146,940.48
  6. Step 6: Final answer
    x = 124,715.25

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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.