Home / 190,403.77-285,797.87-83,835.20

Finding the Fourth Proportional to 190,403.77, 285,797.87 and 83,835.20

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Solution

The fourth proportional to 190,403.77, 285,797.87 and 83,835.20 is: 125,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,403.77 : 285,797.87 = 83,835.20 : x
  2. Step 2: Convert to fraction form
    190,403.77/285,797.87 = 83,835.20/x
  3. Step 3: Cross multiply
    190,403.77x = 285,797.87 × 83,835.20
  4. Step 4: Simplify right side
    190,403.77x = 23,959,921,591.02
  5. Step 5: Solve for x
    x = 23,959,921,591.02/190,403.77
  6. Step 6: Final answer
    x = 125,837.43

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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.