Home / 198,243.81-273,576.69-107,599.77

Finding the Fourth Proportional to 198,243.81, 273,576.69 and 107,599.77

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Solution

The fourth proportional to 198,243.81, 273,576.69 and 107,599.77 is: 148,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,243.81 : 273,576.69 = 107,599.77 : x
  2. Step 2: Convert to fraction form
    198,243.81/273,576.69 = 107,599.77/x
  3. Step 3: Cross multiply
    198,243.81x = 273,576.69 × 107,599.77
  4. Step 4: Simplify right side
    198,243.81x = 29,436,788,921.36
  5. Step 5: Solve for x
    x = 29,436,788,921.36/198,243.81
  6. Step 6: Final answer
    x = 148,487.81

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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.