Home / 198,271.13-273,606.72-107,625.15

Finding the Fourth Proportional to 198,271.13, 273,606.72 and 107,625.15

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Solution

The fourth proportional to 198,271.13, 273,606.72 and 107,625.15 is: 148,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.13 : 273,606.72 = 107,625.15 : x
  2. Step 2: Convert to fraction form
    198,271.13/273,606.72 = 107,625.15/x
  3. Step 3: Cross multiply
    198,271.13x = 273,606.72 × 107,625.15
  4. Step 4: Simplify right side
    198,271.13x = 29,446,964,281.01
  5. Step 5: Solve for x
    x = 29,446,964,281.01/198,271.13
  6. Step 6: Final answer
    x = 148,518.67

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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.