Home / 231,890.56-349,415.35-190,693.42

Finding the Fourth Proportional to 231,890.56, 349,415.35 and 190,693.42

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Solution

The fourth proportional to 231,890.56, 349,415.35 and 190,693.42 is: 287,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890.56 : 349,415.35 = 190,693.42 : x
  2. Step 2: Convert to fraction form
    231,890.56/349,415.35 = 190,693.42/x
  3. Step 3: Cross multiply
    231,890.56x = 349,415.35 × 190,693.42
  4. Step 4: Simplify right side
    231,890.56x = 66,631,206,344.92
  5. Step 5: Solve for x
    x = 66,631,206,344.92/231,890.56
  6. Step 6: Final answer
    x = 287,339.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.