Home / 188,463.86-259,962.97-111,927.75

Finding the Fourth Proportional to 188,463.86, 259,962.97 and 111,927.75

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Solution

The fourth proportional to 188,463.86, 259,962.97 and 111,927.75 is: 154,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,463.86 : 259,962.97 = 111,927.75 : x
  2. Step 2: Convert to fraction form
    188,463.86/259,962.97 = 111,927.75/x
  3. Step 3: Cross multiply
    188,463.86x = 259,962.97 × 111,927.75
  4. Step 4: Simplify right side
    188,463.86x = 29,097,070,315.42
  5. Step 5: Solve for x
    x = 29,097,070,315.42/188,463.86
  6. Step 6: Final answer
    x = 154,390.72

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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.