Home / 201,817.26-278,529.69-111,182.51

Finding the Fourth Proportional to 201,817.26, 278,529.69 and 111,182.51

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Solution

The fourth proportional to 201,817.26, 278,529.69 and 111,182.51 is: 153,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,817.26 : 278,529.69 = 111,182.51 : x
  2. Step 2: Convert to fraction form
    201,817.26/278,529.69 = 111,182.51/x
  3. Step 3: Cross multiply
    201,817.26x = 278,529.69 × 111,182.51
  4. Step 4: Simplify right side
    201,817.26x = 30,967,628,095.16
  5. Step 5: Solve for x
    x = 30,967,628,095.16/201,817.26
  6. Step 6: Final answer
    x = 153,443.91

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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.