Home / 194,808.28-291,991.16-82,418.36

Finding the Fourth Proportional to 194,808.28, 291,991.16 and 82,418.36

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Solution

The fourth proportional to 194,808.28, 291,991.16 and 82,418.36 is: 123,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808.28 : 291,991.16 = 82,418.36 : x
  2. Step 2: Convert to fraction form
    194,808.28/291,991.16 = 82,418.36/x
  3. Step 3: Cross multiply
    194,808.28x = 291,991.16 × 82,418.36
  4. Step 4: Simplify right side
    194,808.28x = 24,065,432,541.70
  5. Step 5: Solve for x
    x = 24,065,432,541.70/194,808.28
  6. Step 6: Final answer
    x = 123,533.93

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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.