Home / 340,960.25-470,528.43-188,003.90

Finding the Fourth Proportional to 340,960.25, 470,528.43 and 188,003.90

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Solution

The fourth proportional to 340,960.25, 470,528.43 and 188,003.90 is: 259,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,960.25 : 470,528.43 = 188,003.90 : x
  2. Step 2: Convert to fraction form
    340,960.25/470,528.43 = 188,003.90/x
  3. Step 3: Cross multiply
    340,960.25x = 470,528.43 × 188,003.90
  4. Step 4: Simplify right side
    340,960.25x = 88,461,179,900.88
  5. Step 5: Solve for x
    x = 88,461,179,900.88/340,960.25
  6. Step 6: Final answer
    x = 259,447.19

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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.