Home / 242,243.73-363,384.09-73,778.31

Finding the Fourth Proportional to 242,243.73, 363,384.09 and 73,778.31

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Solution

The fourth proportional to 242,243.73, 363,384.09 and 73,778.31 is: 110,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,243.73 : 363,384.09 = 73,778.31 : x
  2. Step 2: Convert to fraction form
    242,243.73/363,384.09 = 73,778.31/x
  3. Step 3: Cross multiply
    242,243.73x = 363,384.09 × 73,778.31
  4. Step 4: Simplify right side
    242,243.73x = 26,809,864,041.09
  5. Step 5: Solve for x
    x = 26,809,864,041.09/242,243.73
  6. Step 6: Final answer
    x = 110,673.10

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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.