Home / 179,971.67-248,350.86-111,986.55

Finding the Fourth Proportional to 179,971.67, 248,350.86 and 111,986.55

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Solution

The fourth proportional to 179,971.67, 248,350.86 and 111,986.55 is: 154,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,971.67 : 248,350.86 = 111,986.55 : x
  2. Step 2: Convert to fraction form
    179,971.67/248,350.86 = 111,986.55/x
  3. Step 3: Cross multiply
    179,971.67x = 248,350.86 × 111,986.55
  4. Step 4: Simplify right side
    179,971.67x = 27,811,956,000.93
  5. Step 5: Solve for x
    x = 27,811,956,000.93/179,971.67
  6. Step 6: Final answer
    x = 154,535.19

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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.