Home / 198,299.34-273,551.64-126,603.98

Finding the Fourth Proportional to 198,299.34, 273,551.64 and 126,603.98

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Solution

The fourth proportional to 198,299.34, 273,551.64 and 126,603.98 is: 174,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,299.34 : 273,551.64 = 126,603.98 : x
  2. Step 2: Convert to fraction form
    198,299.34/273,551.64 = 126,603.98/x
  3. Step 3: Cross multiply
    198,299.34x = 273,551.64 × 126,603.98
  4. Step 4: Simplify right side
    198,299.34x = 34,632,726,359.53
  5. Step 5: Solve for x
    x = 34,632,726,359.53/198,299.34
  6. Step 6: Final answer
    x = 174,648.72

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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.