Home / 276,932.80-415,102.56-197,807.04

Finding the Fourth Proportional to 276,932.80, 415,102.56 and 197,807.04

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Solution

The fourth proportional to 276,932.80, 415,102.56 and 197,807.04 is: 296,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,932.80 : 415,102.56 = 197,807.04 : x
  2. Step 2: Convert to fraction form
    276,932.80/415,102.56 = 197,807.04/x
  3. Step 3: Cross multiply
    276,932.80x = 415,102.56 × 197,807.04
  4. Step 4: Simplify right side
    276,932.80x = 82,110,208,690.02
  5. Step 5: Solve for x
    x = 82,110,208,690.02/276,932.80
  6. Step 6: Final answer
    x = 296,498.68

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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.