Home / 198,012.32-273,257.36-108,588.96

Finding the Fourth Proportional to 198,012.32, 273,257.36 and 108,588.96

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Solution

The fourth proportional to 198,012.32, 273,257.36 and 108,588.96 is: 149,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,012.32 : 273,257.36 = 108,588.96 : x
  2. Step 2: Convert to fraction form
    198,012.32/273,257.36 = 108,588.96/x
  3. Step 3: Cross multiply
    198,012.32x = 273,257.36 × 108,588.96
  4. Step 4: Simplify right side
    198,012.32x = 29,672,732,534.75
  5. Step 5: Solve for x
    x = 29,672,732,534.75/198,012.32
  6. Step 6: Final answer
    x = 149,852.96

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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.