Home / 198,191.71-297,250.35-91,571.23

Finding the Fourth Proportional to 198,191.71, 297,250.35 and 91,571.23

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Solution

The fourth proportional to 198,191.71, 297,250.35 and 91,571.23 is: 137,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,191.71 : 297,250.35 = 91,571.23 : x
  2. Step 2: Convert to fraction form
    198,191.71/297,250.35 = 91,571.23/x
  3. Step 3: Cross multiply
    198,191.71x = 297,250.35 × 91,571.23
  4. Step 4: Simplify right side
    198,191.71x = 27,219,580,167.43
  5. Step 5: Solve for x
    x = 27,219,580,167.43/198,191.71
  6. Step 6: Final answer
    x = 137,339.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.