Home / 295,918.24-443,745.60-85,506.16

Finding the Fourth Proportional to 295,918.24, 443,745.60 and 85,506.16

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Solution

The fourth proportional to 295,918.24, 443,745.60 and 85,506.16 is: 128,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,918.24 : 443,745.60 = 85,506.16 : x
  2. Step 2: Convert to fraction form
    295,918.24/443,745.60 = 85,506.16/x
  3. Step 3: Cross multiply
    295,918.24x = 443,745.60 × 85,506.16
  4. Step 4: Simplify right side
    295,918.24x = 37,942,982,272.90
  5. Step 5: Solve for x
    x = 37,942,982,272.90/295,918.24
  6. Step 6: Final answer
    x = 128,221.17

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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.