Home / 476,172.20-714,284.22-143,739.56

Finding the Fourth Proportional to 476,172.20, 714,284.22 and 143,739.56

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Solution

The fourth proportional to 476,172.20, 714,284.22 and 143,739.56 is: 215,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,172.20 : 714,284.22 = 143,739.56 : x
  2. Step 2: Convert to fraction form
    476,172.20/714,284.22 = 143,739.56/x
  3. Step 3: Cross multiply
    476,172.20x = 714,284.22 × 143,739.56
  4. Step 4: Simplify right side
    476,172.20x = 102,670,899,497.74
  5. Step 5: Solve for x
    x = 102,670,899,497.74/476,172.20
  6. Step 6: Final answer
    x = 215,617.16

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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.