Home / 202,091.22-278,881.26-111,444.62

Finding the Fourth Proportional to 202,091.22, 278,881.26 and 111,444.62

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Solution

The fourth proportional to 202,091.22, 278,881.26 and 111,444.62 is: 153,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,091.22 : 278,881.26 = 111,444.62 : x
  2. Step 2: Convert to fraction form
    202,091.22/278,881.26 = 111,444.62/x
  3. Step 3: Cross multiply
    202,091.22x = 278,881.26 × 111,444.62
  4. Step 4: Simplify right side
    202,091.22x = 31,079,816,045.82
  5. Step 5: Solve for x
    x = 31,079,816,045.82/202,091.22
  6. Step 6: Final answer
    x = 153,791.03

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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.