Home / 190,329.60-285,471.60-50,099.28

Finding the Fourth Proportional to 190,329.60, 285,471.60 and 50,099.28

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Solution

The fourth proportional to 190,329.60, 285,471.60 and 50,099.28 is: 75,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,329.60 : 285,471.60 = 50,099.28 : x
  2. Step 2: Convert to fraction form
    190,329.60/285,471.60 = 50,099.28/x
  3. Step 3: Cross multiply
    190,329.60x = 285,471.60 × 50,099.28
  4. Step 4: Simplify right side
    190,329.60x = 14,301,921,620.45
  5. Step 5: Solve for x
    x = 14,301,921,620.45/190,329.60
  6. Step 6: Final answer
    x = 75,142.92

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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.