Home / 188,039.99-259,457.04-111,525.51

Finding the Fourth Proportional to 188,039.99, 259,457.04 and 111,525.51

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Solution

The fourth proportional to 188,039.99, 259,457.04 and 111,525.51 is: 153,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,039.99 : 259,457.04 = 111,525.51 : x
  2. Step 2: Convert to fraction form
    188,039.99/259,457.04 = 111,525.51/x
  3. Step 3: Cross multiply
    188,039.99x = 259,457.04 × 111,525.51
  4. Step 4: Simplify right side
    188,039.99x = 28,936,078,709.09
  5. Step 5: Solve for x
    x = 28,936,078,709.09/188,039.99
  6. Step 6: Final answer
    x = 153,882.58

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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.