Home / 311,345.08-467,015.46-121,824.52

Finding the Fourth Proportional to 311,345.08, 467,015.46 and 121,824.52

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Solution

The fourth proportional to 311,345.08, 467,015.46 and 121,824.52 is: 182,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,345.08 : 467,015.46 = 121,824.52 : x
  2. Step 2: Convert to fraction form
    311,345.08/467,015.46 = 121,824.52/x
  3. Step 3: Cross multiply
    311,345.08x = 467,015.46 × 121,824.52
  4. Step 4: Simplify right side
    311,345.08x = 56,893,934,247.08
  5. Step 5: Solve for x
    x = 56,893,934,247.08/311,345.08
  6. Step 6: Final answer
    x = 182,735.93

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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.