Home / 331,922.10-497,825.55-121,451.70

Finding the Fourth Proportional to 331,922.10, 497,825.55 and 121,451.70

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Solution

The fourth proportional to 331,922.10, 497,825.55 and 121,451.70 is: 182,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,922.10 : 497,825.55 = 121,451.70 : x
  2. Step 2: Convert to fraction form
    331,922.10/497,825.55 = 121,451.70/x
  3. Step 3: Cross multiply
    331,922.10x = 497,825.55 × 121,451.70
  4. Step 4: Simplify right side
    331,922.10x = 60,461,759,350.94
  5. Step 5: Solve for x
    x = 60,461,759,350.94/331,922.10
  6. Step 6: Final answer
    x = 182,156.47

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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.