Home / 197,664.03-272,775.99-107,019.98

Finding the Fourth Proportional to 197,664.03, 272,775.99 and 107,019.98

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Solution

The fourth proportional to 197,664.03, 272,775.99 and 107,019.98 is: 147,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,664.03 : 272,775.99 = 107,019.98 : x
  2. Step 2: Convert to fraction form
    197,664.03/272,775.99 = 107,019.98/x
  3. Step 3: Cross multiply
    197,664.03x = 272,775.99 × 107,019.98
  4. Step 4: Simplify right side
    197,664.03x = 29,192,480,579.89
  5. Step 5: Solve for x
    x = 29,192,480,579.89/197,664.03
  6. Step 6: Final answer
    x = 147,687.37

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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.