Home / 305,273.83-457,932.61-80,632.03

Finding the Fourth Proportional to 305,273.83, 457,932.61 and 80,632.03

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Solution

The fourth proportional to 305,273.83, 457,932.61 and 80,632.03 is: 120,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,273.83 : 457,932.61 = 80,632.03 : x
  2. Step 2: Convert to fraction form
    305,273.83/457,932.61 = 80,632.03/x
  3. Step 3: Cross multiply
    305,273.83x = 457,932.61 × 80,632.03
  4. Step 4: Simplify right side
    305,273.83x = 36,924,034,044.83
  5. Step 5: Solve for x
    x = 36,924,034,044.83/305,273.83
  6. Step 6: Final answer
    x = 120,953.81

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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.