Home / 194,380.40-291,570.60-82,187.30

Finding the Fourth Proportional to 194,380.40, 291,570.60 and 82,187.30

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Solution

The fourth proportional to 194,380.40, 291,570.60 and 82,187.30 is: 123,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,380.40 : 291,570.60 = 82,187.30 : x
  2. Step 2: Convert to fraction form
    194,380.40/291,570.60 = 82,187.30/x
  3. Step 3: Cross multiply
    194,380.40x = 291,570.60 × 82,187.30
  4. Step 4: Simplify right side
    194,380.40x = 23,963,400,373.38
  5. Step 5: Solve for x
    x = 23,963,400,373.38/194,380.40
  6. Step 6: Final answer
    x = 123,280.95

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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.