Home / 197,105.06-272,005.02-107,681.06

Finding the Fourth Proportional to 197,105.06, 272,005.02 and 107,681.06

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Solution

The fourth proportional to 197,105.06, 272,005.02 and 107,681.06 is: 148,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.06 : 272,005.02 = 107,681.06 : x
  2. Step 2: Convert to fraction form
    197,105.06/272,005.02 = 107,681.06/x
  3. Step 3: Cross multiply
    197,105.06x = 272,005.02 × 107,681.06
  4. Step 4: Simplify right side
    197,105.06x = 29,289,789,558.93
  5. Step 5: Solve for x
    x = 29,289,789,558.93/197,105.06
  6. Step 6: Final answer
    x = 148,599.88

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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.