Home / 295,890.99-443,839.73-85,530.75

Finding the Fourth Proportional to 295,890.99, 443,839.73 and 85,530.75

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Solution

The fourth proportional to 295,890.99, 443,839.73 and 85,530.75 is: 128,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,890.99 : 443,839.73 = 85,530.75 : x
  2. Step 2: Convert to fraction form
    295,890.99/443,839.73 = 85,530.75/x
  3. Step 3: Cross multiply
    295,890.99x = 443,839.73 × 85,530.75
  4. Step 4: Simplify right side
    295,890.99x = 37,961,944,559.04
  5. Step 5: Solve for x
    x = 37,961,944,559.04/295,890.99
  6. Step 6: Final answer
    x = 128,297.06

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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.