Home / 190,879.25-286,318.55-48,724.50

Finding the Fourth Proportional to 190,879.25, 286,318.55 and 48,724.50

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Solution

The fourth proportional to 190,879.25, 286,318.55 and 48,724.50 is: 73,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,879.25 : 286,318.55 = 48,724.50 : x
  2. Step 2: Convert to fraction form
    190,879.25/286,318.55 = 48,724.50/x
  3. Step 3: Cross multiply
    190,879.25x = 286,318.55 × 48,724.50
  4. Step 4: Simplify right side
    190,879.25x = 13,950,727,945.85
  5. Step 5: Solve for x
    x = 13,950,727,945.85/190,879.25
  6. Step 6: Final answer
    x = 73,086.67

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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.