Home / 197,927-273,156.54-108,520.28

Finding the Fourth Proportional to 197,927, 273,156.54 and 108,520.28

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Solution

The fourth proportional to 197,927, 273,156.54 and 108,520.28 is: 149,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,927 : 273,156.54 = 108,520.28 : x
  2. Step 2: Convert to fraction form
    197,927/273,156.54 = 108,520.28/x
  3. Step 3: Cross multiply
    197,927x = 273,156.54 × 108,520.28
  4. Step 4: Simplify right side
    197,927x = 29,643,024,204.63
  5. Step 5: Solve for x
    x = 29,643,024,204.63/197,927
  6. Step 6: Final answer
    x = 149,767.46

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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.