Home / 301,835.78-452,844.21-121,828.60

Finding the Fourth Proportional to 301,835.78, 452,844.21 and 121,828.60

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Solution

The fourth proportional to 301,835.78, 452,844.21 and 121,828.60 is: 182,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,835.78 : 452,844.21 = 121,828.60 : x
  2. Step 2: Convert to fraction form
    301,835.78/452,844.21 = 121,828.60/x
  3. Step 3: Cross multiply
    301,835.78x = 452,844.21 × 121,828.60
  4. Step 4: Simplify right side
    301,835.78x = 55,169,376,122.41
  5. Step 5: Solve for x
    x = 55,169,376,122.41/301,835.78
  6. Step 6: Final answer
    x = 182,779.44

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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.