Home / 331,783.76-497,730.36-121,716.56

Finding the Fourth Proportional to 331,783.76, 497,730.36 and 121,716.56

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Solution

The fourth proportional to 331,783.76, 497,730.36 and 121,716.56 is: 182,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,783.76 : 497,730.36 = 121,716.56 : x
  2. Step 2: Convert to fraction form
    331,783.76/497,730.36 = 121,716.56/x
  3. Step 3: Cross multiply
    331,783.76x = 497,730.36 × 121,716.56
  4. Step 4: Simplify right side
    331,783.76x = 60,582,027,226.76
  5. Step 5: Solve for x
    x = 60,582,027,226.76/331,783.76
  6. Step 6: Final answer
    x = 182,594.91

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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.