Home / 188,064.24-259,523.96-105,277.08

Finding the Fourth Proportional to 188,064.24, 259,523.96 and 105,277.08

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Solution

The fourth proportional to 188,064.24, 259,523.96 and 105,277.08 is: 145,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064.24 : 259,523.96 = 105,277.08 : x
  2. Step 2: Convert to fraction form
    188,064.24/259,523.96 = 105,277.08/x
  3. Step 3: Cross multiply
    188,064.24x = 259,523.96 × 105,277.08
  4. Step 4: Simplify right side
    188,064.24x = 27,321,924,698.84
  5. Step 5: Solve for x
    x = 27,321,924,698.84/188,064.24
  6. Step 6: Final answer
    x = 145,279.74

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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.