Home / 201,173.40-277,614.83-109,290.31

Finding the Fourth Proportional to 201,173.40, 277,614.83 and 109,290.31

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Solution

The fourth proportional to 201,173.40, 277,614.83 and 109,290.31 is: 150,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,173.40 : 277,614.83 = 109,290.31 : x
  2. Step 2: Convert to fraction form
    201,173.40/277,614.83 = 109,290.31/x
  3. Step 3: Cross multiply
    201,173.40x = 277,614.83 × 109,290.31
  4. Step 4: Simplify right side
    201,173.40x = 30,340,608,896.77
  5. Step 5: Solve for x
    x = 30,340,608,896.77/201,173.40
  6. Step 6: Final answer
    x = 150,818.19

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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.