Home / 463,455.09-694,928.65-143,518.14

Finding the Fourth Proportional to 463,455.09, 694,928.65 and 143,518.14

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Solution

The fourth proportional to 463,455.09, 694,928.65 and 143,518.14 is: 215,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,455.09 : 694,928.65 = 143,518.14 : x
  2. Step 2: Convert to fraction form
    463,455.09/694,928.65 = 143,518.14/x
  3. Step 3: Cross multiply
    463,455.09x = 694,928.65 × 143,518.14
  4. Step 4: Simplify right side
    463,455.09x = 99,734,869,750.97
  5. Step 5: Solve for x
    x = 99,734,869,750.97/463,455.09
  6. Step 6: Final answer
    x = 215,198.56

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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.