Home / 340,816.35-470,329.85-187,860.53

Finding the Fourth Proportional to 340,816.35, 470,329.85 and 187,860.53

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Solution

The fourth proportional to 340,816.35, 470,329.85 and 187,860.53 is: 259,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816.35 : 470,329.85 = 187,860.53 : x
  2. Step 2: Convert to fraction form
    340,816.35/470,329.85 = 187,860.53/x
  3. Step 3: Cross multiply
    340,816.35x = 470,329.85 × 187,860.53
  4. Step 4: Simplify right side
    340,816.35x = 88,356,414,895.82
  5. Step 5: Solve for x
    x = 88,356,414,895.82/340,816.35
  6. Step 6: Final answer
    x = 259,249.34

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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.