Home / 331,453.24-497,238.30-121,384.60

Finding the Fourth Proportional to 331,453.24, 497,238.30 and 121,384.60

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Solution

The fourth proportional to 331,453.24, 497,238.30 and 121,384.60 is: 182,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,453.24 : 497,238.30 = 121,384.60 : x
  2. Step 2: Convert to fraction form
    331,453.24/497,238.30 = 121,384.60/x
  3. Step 3: Cross multiply
    331,453.24x = 497,238.30 × 121,384.60
  4. Step 4: Simplify right side
    331,453.24x = 60,357,072,150.18
  5. Step 5: Solve for x
    x = 60,357,072,150.18/331,453.24
  6. Step 6: Final answer
    x = 182,098.30

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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.