Home / 345,462.48-518,212.26-108,823.68

Finding the Fourth Proportional to 345,462.48, 518,212.26 and 108,823.68

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Solution

The fourth proportional to 345,462.48, 518,212.26 and 108,823.68 is: 163,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,462.48 : 518,212.26 = 108,823.68 : x
  2. Step 2: Convert to fraction form
    345,462.48/518,212.26 = 108,823.68/x
  3. Step 3: Cross multiply
    345,462.48x = 518,212.26 × 108,823.68
  4. Step 4: Simplify right side
    345,462.48x = 56,393,765,154.32
  5. Step 5: Solve for x
    x = 56,393,765,154.32/345,462.48
  6. Step 6: Final answer
    x = 163,241.36

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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.