Home / 229,040.36-343,611.80-69,119.06

Finding the Fourth Proportional to 229,040.36, 343,611.80 and 69,119.06

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Solution

The fourth proportional to 229,040.36, 343,611.80 and 69,119.06 is: 103,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,040.36 : 343,611.80 = 69,119.06 : x
  2. Step 2: Convert to fraction form
    229,040.36/343,611.80 = 69,119.06/x
  3. Step 3: Cross multiply
    229,040.36x = 343,611.80 × 69,119.06
  4. Step 4: Simplify right side
    229,040.36x = 23,750,124,620.91
  5. Step 5: Solve for x
    x = 23,750,124,620.91/229,040.36
  6. Step 6: Final answer
    x = 103,694.06

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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.