Home / 190,019.61-262,112.82-125,489.44

Finding the Fourth Proportional to 190,019.61, 262,112.82 and 125,489.44

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Solution

The fourth proportional to 190,019.61, 262,112.82 and 125,489.44 is: 173,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,019.61 : 262,112.82 = 125,489.44 : x
  2. Step 2: Convert to fraction form
    190,019.61/262,112.82 = 125,489.44/x
  3. Step 3: Cross multiply
    190,019.61x = 262,112.82 × 125,489.44
  4. Step 4: Simplify right side
    190,019.61x = 32,892,390,371.17
  5. Step 5: Solve for x
    x = 32,892,390,371.17/190,019.61
  6. Step 6: Final answer
    x = 173,099.98

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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.