Home / 197,650.12-272,755.20-107,003.68

Finding the Fourth Proportional to 197,650.12, 272,755.20 and 107,003.68

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Solution

The fourth proportional to 197,650.12, 272,755.20 and 107,003.68 is: 147,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,650.12 : 272,755.20 = 107,003.68 : x
  2. Step 2: Convert to fraction form
    197,650.12/272,755.20 = 107,003.68/x
  3. Step 3: Cross multiply
    197,650.12x = 272,755.20 × 107,003.68
  4. Step 4: Simplify right side
    197,650.12x = 29,185,810,139.14
  5. Step 5: Solve for x
    x = 29,185,810,139.14/197,650.12
  6. Step 6: Final answer
    x = 147,664.01

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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.