Home / 251,945.10-377,917.65-239,697.90

Finding the Fourth Proportional to 251,945.10, 377,917.65 and 239,697.90

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Solution

The fourth proportional to 251,945.10, 377,917.65 and 239,697.90 is: 359,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,945.10 : 377,917.65 = 239,697.90 : x
  2. Step 2: Convert to fraction form
    251,945.10/377,917.65 = 239,697.90/x
  3. Step 3: Cross multiply
    251,945.10x = 377,917.65 × 239,697.90
  4. Step 4: Simplify right side
    251,945.10x = 90,586,067,077.94
  5. Step 5: Solve for x
    x = 90,586,067,077.94/251,945.10
  6. Step 6: Final answer
    x = 359,546.85

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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.