Home / 462,968.55-694,519.36-143,145.34

Finding the Fourth Proportional to 462,968.55, 694,519.36 and 143,145.34

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Solution

The fourth proportional to 462,968.55, 694,519.36 and 143,145.34 is: 214,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,968.55 : 694,519.36 = 143,145.34 : x
  2. Step 2: Convert to fraction form
    462,968.55/694,519.36 = 143,145.34/x
  3. Step 3: Cross multiply
    462,968.55x = 694,519.36 × 143,145.34
  4. Step 4: Simplify right side
    462,968.55x = 99,417,207,829.62
  5. Step 5: Solve for x
    x = 99,417,207,829.62/462,968.55
  6. Step 6: Final answer
    x = 214,738.58

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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.