Home / 305,274.46-457,933.55-80,632.66

Finding the Fourth Proportional to 305,274.46, 457,933.55 and 80,632.66

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Solution

The fourth proportional to 305,274.46, 457,933.55 and 80,632.66 is: 120,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,274.46 : 457,933.55 = 80,632.66 : x
  2. Step 2: Convert to fraction form
    305,274.46/457,933.55 = 80,632.66/x
  3. Step 3: Cross multiply
    305,274.46x = 457,933.55 × 80,632.66
  4. Step 4: Simplify right side
    305,274.46x = 36,924,397,950.08
  5. Step 5: Solve for x
    x = 36,924,397,950.08/305,274.46
  6. Step 6: Final answer
    x = 120,954.76

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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.