Home / 197,715.62-272,846.18-107,069.51

Finding the Fourth Proportional to 197,715.62, 272,846.18 and 107,069.51

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Solution

The fourth proportional to 197,715.62, 272,846.18 and 107,069.51 is: 147,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.62 : 272,846.18 = 107,069.51 : x
  2. Step 2: Convert to fraction form
    197,715.62/272,846.18 = 107,069.51/x
  3. Step 3: Cross multiply
    197,715.62x = 272,846.18 × 107,069.51
  4. Step 4: Simplify right side
    197,715.62x = 29,213,504,898.39
  5. Step 5: Solve for x
    x = 29,213,504,898.39/197,715.62
  6. Step 6: Final answer
    x = 147,755.17

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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.