Home / 340,922.09-470,475.78-187,966.37

Finding the Fourth Proportional to 340,922.09, 470,475.78 and 187,966.37

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Solution

The fourth proportional to 340,922.09, 470,475.78 and 187,966.37 is: 259,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,922.09 : 470,475.78 = 187,966.37 : x
  2. Step 2: Convert to fraction form
    340,922.09/470,475.78 = 187,966.37/x
  3. Step 3: Cross multiply
    340,922.09x = 470,475.78 × 187,966.37
  4. Step 4: Simplify right side
    340,922.09x = 88,433,624,539.52
  5. Step 5: Solve for x
    x = 88,433,624,539.52/340,922.09
  6. Step 6: Final answer
    x = 259,395.41

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1.5x scale

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.