Home / 201,688.24-278,329.80-111,044.56

Finding the Fourth Proportional to 201,688.24, 278,329.80 and 111,044.56

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Solution

The fourth proportional to 201,688.24, 278,329.80 and 111,044.56 is: 153,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,688.24 : 278,329.80 = 111,044.56 : x
  2. Step 2: Convert to fraction form
    201,688.24/278,329.80 = 111,044.56/x
  3. Step 3: Cross multiply
    201,688.24x = 278,329.80 × 111,044.56
  4. Step 4: Simplify right side
    201,688.24x = 30,907,010,175.89
  5. Step 5: Solve for x
    x = 30,907,010,175.89/201,688.24
  6. Step 6: Final answer
    x = 153,241.51

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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.