Home / 340,289.87-469,606.03-185,245.65

Finding the Fourth Proportional to 340,289.87, 469,606.03 and 185,245.65

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Solution

The fourth proportional to 340,289.87, 469,606.03 and 185,245.65 is: 255,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,289.87 : 469,606.03 = 185,245.65 : x
  2. Step 2: Convert to fraction form
    340,289.87/469,606.03 = 185,245.65/x
  3. Step 3: Cross multiply
    340,289.87x = 469,606.03 × 185,245.65
  4. Step 4: Simplify right side
    340,289.87x = 86,992,470,997.01
  5. Step 5: Solve for x
    x = 86,992,470,997.01/340,289.87
  6. Step 6: Final answer
    x = 255,642.26

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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.