Home / 198,271.67-273,607.47-107,625.65

Finding the Fourth Proportional to 198,271.67, 273,607.47 and 107,625.65

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Solution

The fourth proportional to 198,271.67, 273,607.47 and 107,625.65 is: 148,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.67 : 273,607.47 = 107,625.65 : x
  2. Step 2: Convert to fraction form
    198,271.67/273,607.47 = 107,625.65/x
  3. Step 3: Cross multiply
    198,271.67x = 273,607.47 × 107,625.65
  4. Step 4: Simplify right side
    198,271.67x = 29,447,180,435.57
  5. Step 5: Solve for x
    x = 29,447,180,435.57/198,271.67
  6. Step 6: Final answer
    x = 148,519.36

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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.