Home / 190,509.45-285,742.26-50,279.01

Finding the Fourth Proportional to 190,509.45, 285,742.26 and 50,279.01

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Solution

The fourth proportional to 190,509.45, 285,742.26 and 50,279.01 is: 75,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,509.45 : 285,742.26 = 50,279.01 : x
  2. Step 2: Convert to fraction form
    190,509.45/285,742.26 = 50,279.01/x
  3. Step 3: Cross multiply
    190,509.45x = 285,742.26 × 50,279.01
  4. Step 4: Simplify right side
    190,509.45x = 14,366,837,947.96
  5. Step 5: Solve for x
    x = 14,366,837,947.96/190,509.45
  6. Step 6: Final answer
    x = 75,412.73

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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.