Home / 274,557.52-411,739.76-82,374.65

Finding the Fourth Proportional to 274,557.52, 411,739.76 and 82,374.65

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Solution

The fourth proportional to 274,557.52, 411,739.76 and 82,374.65 is: 123,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,557.52 : 411,739.76 = 82,374.65 : x
  2. Step 2: Convert to fraction form
    274,557.52/411,739.76 = 82,374.65/x
  3. Step 3: Cross multiply
    274,557.52x = 411,739.76 × 82,374.65
  4. Step 4: Simplify right side
    274,557.52x = 33,916,916,768.32
  5. Step 5: Solve for x
    x = 33,916,916,768.32/274,557.52
  6. Step 6: Final answer
    x = 123,533.01

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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.