Home / 201,033.72-277,427.30-109,153.15

Finding the Fourth Proportional to 201,033.72, 277,427.30 and 109,153.15

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Solution

The fourth proportional to 201,033.72, 277,427.30 and 109,153.15 is: 150,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,033.72 : 277,427.30 = 109,153.15 : x
  2. Step 2: Convert to fraction form
    201,033.72/277,427.30 = 109,153.15/x
  3. Step 3: Cross multiply
    201,033.72x = 277,427.30 × 109,153.15
  4. Step 4: Simplify right side
    201,033.72x = 30,282,062,451.66
  5. Step 5: Solve for x
    x = 30,282,062,451.66/201,033.72
  6. Step 6: Final answer
    x = 150,631.76

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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.