Home / 201,817.44-278,529.94-111,182.69

Finding the Fourth Proportional to 201,817.44, 278,529.94 and 111,182.69

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Solution

The fourth proportional to 201,817.44, 278,529.94 and 111,182.69 is: 153,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,817.44 : 278,529.94 = 111,182.69 : x
  2. Step 2: Convert to fraction form
    201,817.44/278,529.94 = 111,182.69/x
  3. Step 3: Cross multiply
    201,817.44x = 278,529.94 × 111,182.69
  4. Step 4: Simplify right side
    201,817.44x = 30,967,708,810.04
  5. Step 5: Solve for x
    x = 30,967,708,810.04/201,817.44
  6. Step 6: Final answer
    x = 153,444.17

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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.