Home / 190,200.61-285,309.68-105,897.29

Finding the Fourth Proportional to 190,200.61, 285,309.68 and 105,897.29

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Solution

The fourth proportional to 190,200.61, 285,309.68 and 105,897.29 is: 158,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,200.61 : 285,309.68 = 105,897.29 : x
  2. Step 2: Convert to fraction form
    190,200.61/285,309.68 = 105,897.29/x
  3. Step 3: Cross multiply
    190,200.61x = 285,309.68 × 105,897.29
  4. Step 4: Simplify right side
    190,200.61x = 30,213,521,571.60
  5. Step 5: Solve for x
    x = 30,213,521,571.60/190,200.61
  6. Step 6: Final answer
    x = 158,850.82

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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.