Home / 291,511.44-436,279.50-179,262.81

Finding the Fourth Proportional to 291,511.44, 436,279.50 and 179,262.81

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Solution

The fourth proportional to 291,511.44, 436,279.50 and 179,262.81 is: 268,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,511.44 : 436,279.50 = 179,262.81 : x
  2. Step 2: Convert to fraction form
    291,511.44/436,279.50 = 179,262.81/x
  3. Step 3: Cross multiply
    291,511.44x = 436,279.50 × 179,262.81
  4. Step 4: Simplify right side
    291,511.44x = 78,208,689,115.40
  5. Step 5: Solve for x
    x = 78,208,689,115.40/291,511.44
  6. Step 6: Final answer
    x = 268,286.86

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1.5x scale

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.