Home / 198,191.88-273,415.50-117,622.80

Finding the Fourth Proportional to 198,191.88, 273,415.50 and 117,622.80

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Solution

The fourth proportional to 198,191.88, 273,415.50 and 117,622.80 is: 162,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,191.88 : 273,415.50 = 117,622.80 : x
  2. Step 2: Convert to fraction form
    198,191.88/273,415.50 = 117,622.80/x
  3. Step 3: Cross multiply
    198,191.88x = 273,415.50 × 117,622.80
  4. Step 4: Simplify right side
    198,191.88x = 32,159,896,673.40
  5. Step 5: Solve for x
    x = 32,159,896,673.40/198,191.88
  6. Step 6: Final answer
    x = 162,266.47

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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.