Home / 204,031.81-281,558.27-113,385.45

Finding the Fourth Proportional to 204,031.81, 281,558.27 and 113,385.45

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Solution

The fourth proportional to 204,031.81, 281,558.27 and 113,385.45 is: 156,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,031.81 : 281,558.27 = 113,385.45 : x
  2. Step 2: Convert to fraction form
    204,031.81/281,558.27 = 113,385.45/x
  3. Step 3: Cross multiply
    204,031.81x = 281,558.27 × 113,385.45
  4. Step 4: Simplify right side
    204,031.81x = 31,924,611,145.17
  5. Step 5: Solve for x
    x = 31,924,611,145.17/204,031.81
  6. Step 6: Final answer
    x = 156,468.79

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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.