Home / 202,091.77-278,888.58-111,450.94

Finding the Fourth Proportional to 202,091.77, 278,888.58 and 111,450.94

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Solution

The fourth proportional to 202,091.77, 278,888.58 and 111,450.94 is: 153,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,091.77 : 278,888.58 = 111,450.94 : x
  2. Step 2: Convert to fraction form
    202,091.77/278,888.58 = 111,450.94/x
  3. Step 3: Cross multiply
    202,091.77x = 278,888.58 × 111,450.94
  4. Step 4: Simplify right side
    202,091.77x = 31,082,394,396.27
  5. Step 5: Solve for x
    x = 31,082,394,396.27/202,091.77
  6. Step 6: Final answer
    x = 153,803.37

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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.