Home / 111,650.94-154,085.19-63,903.26

Finding the Fourth Proportional to 111,650.94, 154,085.19 and 63,903.26

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Solution

The fourth proportional to 111,650.94, 154,085.19 and 63,903.26 is: 88,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,650.94 : 154,085.19 = 63,903.26 : x
  2. Step 2: Convert to fraction form
    111,650.94/154,085.19 = 63,903.26/x
  3. Step 3: Cross multiply
    111,650.94x = 154,085.19 × 63,903.26
  4. Step 4: Simplify right side
    111,650.94x = 9,846,546,104.30
  5. Step 5: Solve for x
    x = 9,846,546,104.30/111,650.94
  6. Step 6: Final answer
    x = 88,190.45

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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.