Home / 201,887.40-278,600.94-111,251.73

Finding the Fourth Proportional to 201,887.40, 278,600.94 and 111,251.73

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Solution

The fourth proportional to 201,887.40, 278,600.94 and 111,251.73 is: 153,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,887.40 : 278,600.94 = 111,251.73 : x
  2. Step 2: Convert to fraction form
    201,887.40/278,600.94 = 111,251.73/x
  3. Step 3: Cross multiply
    201,887.40x = 278,600.94 × 111,251.73
  4. Step 4: Simplify right side
    201,887.40x = 30,994,836,554.63
  5. Step 5: Solve for x
    x = 30,994,836,554.63/201,887.40
  6. Step 6: Final answer
    x = 153,525.36

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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.