Home / 190,577.28-285,835.24-55,609.66

Finding the Fourth Proportional to 190,577.28, 285,835.24 and 55,609.66

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Solution

The fourth proportional to 190,577.28, 285,835.24 and 55,609.66 is: 83,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,577.28 : 285,835.24 = 55,609.66 : x
  2. Step 2: Convert to fraction form
    190,577.28/285,835.24 = 55,609.66/x
  3. Step 3: Cross multiply
    190,577.28x = 285,835.24 × 55,609.66
  4. Step 4: Simplify right side
    190,577.28x = 15,895,198,805.19
  5. Step 5: Solve for x
    x = 15,895,198,805.19/190,577.28
  6. Step 6: Final answer
    x = 83,405.53

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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.