Home / 201,587.37-278,190.60-110,943.30

Finding the Fourth Proportional to 201,587.37, 278,190.60 and 110,943.30

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Solution

The fourth proportional to 201,587.37, 278,190.60 and 110,943.30 is: 153,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,587.37 : 278,190.60 = 110,943.30 : x
  2. Step 2: Convert to fraction form
    201,587.37/278,190.60 = 110,943.30/x
  3. Step 3: Cross multiply
    201,587.37x = 278,190.60 × 110,943.30
  4. Step 4: Simplify right side
    201,587.37x = 30,863,383,192.98
  5. Step 5: Solve for x
    x = 30,863,383,192.98/201,587.37
  6. Step 6: Final answer
    x = 153,101.77

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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.