Home / 230,162.07-345,390.56-111,768.82

Finding the Fourth Proportional to 230,162.07, 345,390.56 and 111,768.82

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Solution

The fourth proportional to 230,162.07, 345,390.56 and 111,768.82 is: 167,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,162.07 : 345,390.56 = 111,768.82 : x
  2. Step 2: Convert to fraction form
    230,162.07/345,390.56 = 111,768.82/x
  3. Step 3: Cross multiply
    230,162.07x = 345,390.56 × 111,768.82
  4. Step 4: Simplify right side
    230,162.07x = 38,603,895,330.34
  5. Step 5: Solve for x
    x = 38,603,895,330.34/230,162.07
  6. Step 6: Final answer
    x = 167,724.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.