Home / 340,924.70-470,477.26-187,959.54

Finding the Fourth Proportional to 340,924.70, 470,477.26 and 187,959.54

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Solution

The fourth proportional to 340,924.70, 470,477.26 and 187,959.54 is: 259,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,924.70 : 470,477.26 = 187,959.54 : x
  2. Step 2: Convert to fraction form
    340,924.70/470,477.26 = 187,959.54/x
  3. Step 3: Cross multiply
    340,924.70x = 470,477.26 × 187,959.54
  4. Step 4: Simplify right side
    340,924.70x = 88,430,688,722.87
  5. Step 5: Solve for x
    x = 88,430,688,722.87/340,924.70
  6. Step 6: Final answer
    x = 259,384.81

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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.