Home / 220,260.06-331,870.77-199,223.55

Finding the Fourth Proportional to 220,260.06, 331,870.77 and 199,223.55

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Solution

The fourth proportional to 220,260.06, 331,870.77 and 199,223.55 is: 300,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,260.06 : 331,870.77 = 199,223.55 : x
  2. Step 2: Convert to fraction form
    220,260.06/331,870.77 = 199,223.55/x
  3. Step 3: Cross multiply
    220,260.06x = 331,870.77 × 199,223.55
  4. Step 4: Simplify right side
    220,260.06x = 66,116,472,940.63
  5. Step 5: Solve for x
    x = 66,116,472,940.63/220,260.06
  6. Step 6: Final answer
    x = 300,174.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.