Home / 197,178.32-272,105.48-107,754.32

Finding the Fourth Proportional to 197,178.32, 272,105.48 and 107,754.32

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Solution

The fourth proportional to 197,178.32, 272,105.48 and 107,754.32 is: 148,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,178.32 : 272,105.48 = 107,754.32 : x
  2. Step 2: Convert to fraction form
    197,178.32/272,105.48 = 107,754.32/x
  3. Step 3: Cross multiply
    197,178.32x = 272,105.48 × 107,754.32
  4. Step 4: Simplify right side
    197,178.32x = 29,320,540,965.67
  5. Step 5: Solve for x
    x = 29,320,540,965.67/197,178.32
  6. Step 6: Final answer
    x = 148,700.63

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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.