Home / 188,139.44-259,615.13-111,645.37

Finding the Fourth Proportional to 188,139.44, 259,615.13 and 111,645.37

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Solution

The fourth proportional to 188,139.44, 259,615.13 and 111,645.37 is: 154,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,139.44 : 259,615.13 = 111,645.37 : x
  2. Step 2: Convert to fraction form
    188,139.44/259,615.13 = 111,645.37/x
  3. Step 3: Cross multiply
    188,139.44x = 259,615.13 × 111,645.37
  4. Step 4: Simplify right side
    188,139.44x = 28,984,827,012.74
  5. Step 5: Solve for x
    x = 28,984,827,012.74/188,139.44
  6. Step 6: Final answer
    x = 154,060.34

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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.