Home / 194,165.44-291,352.79-81,923.45

Finding the Fourth Proportional to 194,165.44, 291,352.79 and 81,923.45

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Solution

The fourth proportional to 194,165.44, 291,352.79 and 81,923.45 is: 122,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,165.44 : 291,352.79 = 81,923.45 : x
  2. Step 2: Convert to fraction form
    194,165.44/291,352.79 = 81,923.45/x
  3. Step 3: Cross multiply
    194,165.44x = 291,352.79 × 81,923.45
  4. Step 4: Simplify right side
    194,165.44x = 23,868,624,471.97
  5. Step 5: Solve for x
    x = 23,868,624,471.97/194,165.44
  6. Step 6: Final answer
    x = 122,929.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.