Home / 220,272.22-303,709.72-186,220.63

Finding the Fourth Proportional to 220,272.22, 303,709.72 and 186,220.63

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Solution

The fourth proportional to 220,272.22, 303,709.72 and 186,220.63 is: 256,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,272.22 : 303,709.72 = 186,220.63 : x
  2. Step 2: Convert to fraction form
    220,272.22/303,709.72 = 186,220.63/x
  3. Step 3: Cross multiply
    220,272.22x = 303,709.72 × 186,220.63
  4. Step 4: Simplify right side
    220,272.22x = 56,557,012,945.87
  5. Step 5: Solve for x
    x = 56,557,012,945.87/220,272.22
  6. Step 6: Final answer
    x = 256,759.63

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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.