Home / 163,090.49-225,074.18-91,464.83

Finding the Fourth Proportional to 163,090.49, 225,074.18 and 91,464.83

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Solution

The fourth proportional to 163,090.49, 225,074.18 and 91,464.83 is: 126,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.49 : 225,074.18 = 91,464.83 : x
  2. Step 2: Convert to fraction form
    163,090.49/225,074.18 = 91,464.83/x
  3. Step 3: Cross multiply
    163,090.49x = 225,074.18 × 91,464.83
  4. Step 4: Simplify right side
    163,090.49x = 20,586,371,611.09
  5. Step 5: Solve for x
    x = 20,586,371,611.09/163,090.49
  6. Step 6: Final answer
    x = 126,226.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.