Home / 276,064.08-414,095.57-76,383.90

Finding the Fourth Proportional to 276,064.08, 414,095.57 and 76,383.90

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Solution

The fourth proportional to 276,064.08, 414,095.57 and 76,383.90 is: 114,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,064.08 : 414,095.57 = 76,383.90 : x
  2. Step 2: Convert to fraction form
    276,064.08/414,095.57 = 76,383.90/x
  3. Step 3: Cross multiply
    276,064.08x = 414,095.57 × 76,383.90
  4. Step 4: Simplify right side
    276,064.08x = 31,630,234,227.40
  5. Step 5: Solve for x
    x = 31,630,234,227.40/276,064.08
  6. Step 6: Final answer
    x = 114,575.70

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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.