Home / 189,364.75-261,331.70-108,817.54

Finding the Fourth Proportional to 189,364.75, 261,331.70 and 108,817.54

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Solution

The fourth proportional to 189,364.75, 261,331.70 and 108,817.54 is: 150,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,364.75 : 261,331.70 = 108,817.54 : x
  2. Step 2: Convert to fraction form
    189,364.75/261,331.70 = 108,817.54/x
  3. Step 3: Cross multiply
    189,364.75x = 261,331.70 × 108,817.54
  4. Step 4: Simplify right side
    189,364.75x = 28,437,472,173.93
  5. Step 5: Solve for x
    x = 28,437,472,173.93/189,364.75
  6. Step 6: Final answer
    x = 150,173.00

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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.