Home / 305,299.14-457,919.55-186,909.54

Finding the Fourth Proportional to 305,299.14, 457,919.55 and 186,909.54

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Solution

The fourth proportional to 305,299.14, 457,919.55 and 186,909.54 is: 280,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,299.14 : 457,919.55 = 186,909.54 : x
  2. Step 2: Convert to fraction form
    305,299.14/457,919.55 = 186,909.54/x
  3. Step 3: Cross multiply
    305,299.14x = 457,919.55 × 186,909.54
  4. Step 4: Simplify right side
    305,299.14x = 85,589,532,447.51
  5. Step 5: Solve for x
    x = 85,589,532,447.51/305,299.14
  6. Step 6: Final answer
    x = 280,346.46

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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.