Home / 339,926.22-509,659.29-190,269.81

Finding the Fourth Proportional to 339,926.22, 509,659.29 and 190,269.81

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Solution

The fourth proportional to 339,926.22, 509,659.29 and 190,269.81 is: 285,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,926.22 : 509,659.29 = 190,269.81 : x
  2. Step 2: Convert to fraction form
    339,926.22/509,659.29 = 190,269.81/x
  3. Step 3: Cross multiply
    339,926.22x = 509,659.29 × 190,269.81
  4. Step 4: Simplify right side
    339,926.22x = 96,972,776,273.03
  5. Step 5: Solve for x
    x = 96,972,776,273.03/339,926.22
  6. Step 6: Final answer
    x = 285,275.95

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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.