Home / 340,826.10-470,321.01-187,834.38

Finding the Fourth Proportional to 340,826.10, 470,321.01 and 187,834.38

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Solution

The fourth proportional to 340,826.10, 470,321.01 and 187,834.38 is: 259,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,826.10 : 470,321.01 = 187,834.38 : x
  2. Step 2: Convert to fraction form
    340,826.10/470,321.01 = 187,834.38/x
  3. Step 3: Cross multiply
    340,826.10x = 470,321.01 × 187,834.38
  4. Step 4: Simplify right side
    340,826.10x = 88,342,455,314.32
  5. Step 5: Solve for x
    x = 88,342,455,314.32/340,826.10
  6. Step 6: Final answer
    x = 259,200.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.