Home / 190,766.24-286,201.20-66,116.96

Finding the Fourth Proportional to 190,766.24, 286,201.20 and 66,116.96

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Solution

The fourth proportional to 190,766.24, 286,201.20 and 66,116.96 is: 99,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.24 : 286,201.20 = 66,116.96 : x
  2. Step 2: Convert to fraction form
    190,766.24/286,201.20 = 66,116.96/x
  3. Step 3: Cross multiply
    190,766.24x = 286,201.20 × 66,116.96
  4. Step 4: Simplify right side
    190,766.24x = 18,922,753,292.35
  5. Step 5: Solve for x
    x = 18,922,753,292.35/190,766.24
  6. Step 6: Final answer
    x = 99,193.41

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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.