Home / 163,919.64-226,185.57-91,322.04

Finding the Fourth Proportional to 163,919.64, 226,185.57 and 91,322.04

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Solution

The fourth proportional to 163,919.64, 226,185.57 and 91,322.04 is: 126,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,919.64 : 226,185.57 = 91,322.04 : x
  2. Step 2: Convert to fraction form
    163,919.64/226,185.57 = 91,322.04/x
  3. Step 3: Cross multiply
    163,919.64x = 226,185.57 × 91,322.04
  4. Step 4: Simplify right side
    163,919.64x = 20,655,727,670.96
  5. Step 5: Solve for x
    x = 20,655,727,670.96/163,919.64
  6. Step 6: Final answer
    x = 126,011.30

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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.