Home / 110,016.85-151,605.51-78,096.37

Finding the Fourth Proportional to 110,016.85, 151,605.51 and 78,096.37

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Solution

The fourth proportional to 110,016.85, 151,605.51 and 78,096.37 is: 107,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,016.85 : 151,605.51 = 78,096.37 : x
  2. Step 2: Convert to fraction form
    110,016.85/151,605.51 = 78,096.37/x
  3. Step 3: Cross multiply
    110,016.85x = 151,605.51 × 78,096.37
  4. Step 4: Simplify right side
    110,016.85x = 11,839,840,003.00
  5. Step 5: Solve for x
    x = 11,839,840,003.00/110,016.85
  6. Step 6: Final answer
    x = 107,618.42

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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.