Home / 188,142.15-259,636.23-107,571.24

Finding the Fourth Proportional to 188,142.15, 259,636.23 and 107,571.24

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Solution

The fourth proportional to 188,142.15, 259,636.23 and 107,571.24 is: 148,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,142.15 : 259,636.23 = 107,571.24 : x
  2. Step 2: Convert to fraction form
    188,142.15/259,636.23 = 107,571.24/x
  3. Step 3: Cross multiply
    188,142.15x = 259,636.23 × 107,571.24
  4. Step 4: Simplify right side
    188,142.15x = 27,929,391,210.03
  5. Step 5: Solve for x
    x = 27,929,391,210.03/188,142.15
  6. Step 6: Final answer
    x = 148,448.35

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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.