Home / 189,364.25-261,331.01-108,817.04

Finding the Fourth Proportional to 189,364.25, 261,331.01 and 108,817.04

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Solution

The fourth proportional to 189,364.25, 261,331.01 and 108,817.04 is: 150,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,364.25 : 261,331.01 = 108,817.04 : x
  2. Step 2: Convert to fraction form
    189,364.25/261,331.01 = 108,817.04/x
  3. Step 3: Cross multiply
    189,364.25x = 261,331.01 × 108,817.04
  4. Step 4: Simplify right side
    189,364.25x = 28,437,266,424.33
  5. Step 5: Solve for x
    x = 28,437,266,424.33/189,364.25
  6. Step 6: Final answer
    x = 150,172.31

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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.