Home / 193,154.94-266,570.26-108,288.40

Finding the Fourth Proportional to 193,154.94, 266,570.26 and 108,288.40

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Solution

The fourth proportional to 193,154.94, 266,570.26 and 108,288.40 is: 149,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,154.94 : 266,570.26 = 108,288.40 : x
  2. Step 2: Convert to fraction form
    193,154.94/266,570.26 = 108,288.40/x
  3. Step 3: Cross multiply
    193,154.94x = 266,570.26 × 108,288.40
  4. Step 4: Simplify right side
    193,154.94x = 28,866,466,942.98
  5. Step 5: Solve for x
    x = 28,866,466,942.98/193,154.94
  6. Step 6: Final answer
    x = 149,447.21

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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.