Home / 198,106.59-273,386.21-107,462.60

Finding the Fourth Proportional to 198,106.59, 273,386.21 and 107,462.60

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Solution

The fourth proportional to 198,106.59, 273,386.21 and 107,462.60 is: 148,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,106.59 : 273,386.21 = 107,462.60 : x
  2. Step 2: Convert to fraction form
    198,106.59/273,386.21 = 107,462.60/x
  3. Step 3: Cross multiply
    198,106.59x = 273,386.21 × 107,462.60
  4. Step 4: Simplify right side
    198,106.59x = 29,378,792,051.70
  5. Step 5: Solve for x
    x = 29,378,792,051.70/198,106.59
  6. Step 6: Final answer
    x = 148,297.90

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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.