Home / 188,191.89-259,641.45-107,562.33

Finding the Fourth Proportional to 188,191.89, 259,641.45 and 107,562.33

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Solution

The fourth proportional to 188,191.89, 259,641.45 and 107,562.33 is: 148,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,191.89 : 259,641.45 = 107,562.33 : x
  2. Step 2: Convert to fraction form
    188,191.89/259,641.45 = 107,562.33/x
  3. Step 3: Cross multiply
    188,191.89x = 259,641.45 × 107,562.33
  4. Step 4: Simplify right side
    188,191.89x = 27,927,639,326.58
  5. Step 5: Solve for x
    x = 27,927,639,326.58/188,191.89
  6. Step 6: Final answer
    x = 148,399.80

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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.