Home / 197,674.67-272,789.89-107,028.76

Finding the Fourth Proportional to 197,674.67, 272,789.89 and 107,028.76

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Solution

The fourth proportional to 197,674.67, 272,789.89 and 107,028.76 is: 147,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,674.67 : 272,789.89 = 107,028.76 : x
  2. Step 2: Convert to fraction form
    197,674.67/272,789.89 = 107,028.76/x
  3. Step 3: Cross multiply
    197,674.67x = 272,789.89 × 107,028.76
  4. Step 4: Simplify right side
    197,674.67x = 29,196,363,667.24
  5. Step 5: Solve for x
    x = 29,196,363,667.24/197,674.67
  6. Step 6: Final answer
    x = 147,699.06

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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.