Home / 203,983.64-281,416.80-117,926.79

Finding the Fourth Proportional to 203,983.64, 281,416.80 and 117,926.79

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Solution

The fourth proportional to 203,983.64, 281,416.80 and 117,926.79 is: 162,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,983.64 : 281,416.80 = 117,926.79 : x
  2. Step 2: Convert to fraction form
    203,983.64/281,416.80 = 117,926.79/x
  3. Step 3: Cross multiply
    203,983.64x = 281,416.80 × 117,926.79
  4. Step 4: Simplify right side
    203,983.64x = 33,186,579,876.07
  5. Step 5: Solve for x
    x = 33,186,579,876.07/203,983.64
  6. Step 6: Final answer
    x = 162,692.36

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1.5x scale

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.