Home / 201,698.24-278,343.60-111,054.56

Finding the Fourth Proportional to 201,698.24, 278,343.60 and 111,054.56

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Solution

The fourth proportional to 201,698.24, 278,343.60 and 111,054.56 is: 153,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,698.24 : 278,343.60 = 111,054.56 : x
  2. Step 2: Convert to fraction form
    201,698.24/278,343.60 = 111,054.56/x
  3. Step 3: Cross multiply
    201,698.24x = 278,343.60 × 111,054.56
  4. Step 4: Simplify right side
    201,698.24x = 30,911,326,026.82
  5. Step 5: Solve for x
    x = 30,911,326,026.82/201,698.24
  6. Step 6: Final answer
    x = 153,255.31

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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.