Home / 198,220.54-273,544.48-107,576.48

Finding the Fourth Proportional to 198,220.54, 273,544.48 and 107,576.48

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Solution

The fourth proportional to 198,220.54, 273,544.48 and 107,576.48 is: 148,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.54 : 273,544.48 = 107,576.48 : x
  2. Step 2: Convert to fraction form
    198,220.54/273,544.48 = 107,576.48/x
  3. Step 3: Cross multiply
    198,220.54x = 273,544.48 × 107,576.48
  4. Step 4: Simplify right side
    198,220.54x = 29,426,952,281.83
  5. Step 5: Solve for x
    x = 29,426,952,281.83/198,220.54
  6. Step 6: Final answer
    x = 148,455.62

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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.