Home / 197,755.98-272,902.58-107,111.72

Finding the Fourth Proportional to 197,755.98, 272,902.58 and 107,111.72

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Solution

The fourth proportional to 197,755.98, 272,902.58 and 107,111.72 is: 147,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,755.98 : 272,902.58 = 107,111.72 : x
  2. Step 2: Convert to fraction form
    197,755.98/272,902.58 = 107,111.72/x
  3. Step 3: Cross multiply
    197,755.98x = 272,902.58 × 107,111.72
  4. Step 4: Simplify right side
    197,755.98x = 29,231,064,736.24
  5. Step 5: Solve for x
    x = 29,231,064,736.24/197,755.98
  6. Step 6: Final answer
    x = 147,813.81

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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.