Home / 188,206.22-259,707.33-111,712.25

Finding the Fourth Proportional to 188,206.22, 259,707.33 and 111,712.25

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Solution

The fourth proportional to 188,206.22, 259,707.33 and 111,712.25 is: 154,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,206.22 : 259,707.33 = 111,712.25 : x
  2. Step 2: Convert to fraction form
    188,206.22/259,707.33 = 111,712.25/x
  3. Step 3: Cross multiply
    188,206.22x = 259,707.33 × 111,712.25
  4. Step 4: Simplify right side
    188,206.22x = 29,012,490,175.79
  5. Step 5: Solve for x
    x = 29,012,490,175.79/188,206.22
  6. Step 6: Final answer
    x = 154,152.66

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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.