Home / 188,772.06-260,556.62-111,315.36

Finding the Fourth Proportional to 188,772.06, 260,556.62 and 111,315.36

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Solution

The fourth proportional to 188,772.06, 260,556.62 and 111,315.36 is: 153,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,772.06 : 260,556.62 = 111,315.36 : x
  2. Step 2: Convert to fraction form
    188,772.06/260,556.62 = 111,315.36/x
  3. Step 3: Cross multiply
    188,772.06x = 260,556.62 × 111,315.36
  4. Step 4: Simplify right side
    188,772.06x = 29,003,953,955.68
  5. Step 5: Solve for x
    x = 29,003,953,955.68/188,772.06
  6. Step 6: Final answer
    x = 153,645.38

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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.