Home / 197,715.12-272,845.48-107,069.01

Finding the Fourth Proportional to 197,715.12, 272,845.48 and 107,069.01

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Solution

The fourth proportional to 197,715.12, 272,845.48 and 107,069.01 is: 147,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.12 : 272,845.48 = 107,069.01 : x
  2. Step 2: Convert to fraction form
    197,715.12/272,845.48 = 107,069.01/x
  3. Step 3: Cross multiply
    197,715.12x = 272,845.48 × 107,069.01
  4. Step 4: Simplify right side
    197,715.12x = 29,213,295,426.57
  5. Step 5: Solve for x
    x = 29,213,295,426.57/197,715.12
  6. Step 6: Final answer
    x = 147,754.48

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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.