Home / 202,091.27-278,887.89-111,450.44

Finding the Fourth Proportional to 202,091.27, 278,887.89 and 111,450.44

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Solution

The fourth proportional to 202,091.27, 278,887.89 and 111,450.44 is: 153,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,091.27 : 278,887.89 = 111,450.44 : x
  2. Step 2: Convert to fraction form
    202,091.27/278,887.89 = 111,450.44/x
  3. Step 3: Cross multiply
    202,091.27x = 278,887.89 × 111,450.44
  4. Step 4: Simplify right side
    202,091.27x = 31,082,178,051.17
  5. Step 5: Solve for x
    x = 31,082,178,051.17/202,091.27
  6. Step 6: Final answer
    x = 153,802.68

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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.