Home / 190,906.10-286,359.15-110,861.90

Finding the Fourth Proportional to 190,906.10, 286,359.15 and 110,861.90

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Solution

The fourth proportional to 190,906.10, 286,359.15 and 110,861.90 is: 166,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.10 : 286,359.15 = 110,861.90 : x
  2. Step 2: Convert to fraction form
    190,906.10/286,359.15 = 110,861.90/x
  3. Step 3: Cross multiply
    190,906.10x = 286,359.15 × 110,861.90
  4. Step 4: Simplify right side
    190,906.10x = 31,746,319,451.39
  5. Step 5: Solve for x
    x = 31,746,319,451.39/190,906.10
  6. Step 6: Final answer
    x = 166,292.85

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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.