Home / 340,680.24-470,132.64-189,774

Finding the Fourth Proportional to 340,680.24, 470,132.64 and 189,774

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Solution

The fourth proportional to 340,680.24, 470,132.64 and 189,774 is: 261,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,680.24 : 470,132.64 = 189,774 : x
  2. Step 2: Convert to fraction form
    340,680.24/470,132.64 = 189,774/x
  3. Step 3: Cross multiply
    340,680.24x = 470,132.64 × 189,774
  4. Step 4: Simplify right side
    340,680.24x = 89,218,951,623.36
  5. Step 5: Solve for x
    x = 89,218,951,623.36/340,680.24
  6. Step 6: Final answer
    x = 261,884.73

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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.