Home / 193,054.08-266,421.84-108,168

Finding the Fourth Proportional to 193,054.08, 266,421.84 and 108,168

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Solution

The fourth proportional to 193,054.08, 266,421.84 and 108,168 is: 149,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,054.08 : 266,421.84 = 108,168 : x
  2. Step 2: Convert to fraction form
    193,054.08/266,421.84 = 108,168/x
  3. Step 3: Cross multiply
    193,054.08x = 266,421.84 × 108,168
  4. Step 4: Simplify right side
    193,054.08x = 28,818,317,589.12
  5. Step 5: Solve for x
    x = 28,818,317,589.12/193,054.08
  6. Step 6: Final answer
    x = 149,275.88

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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.