Home / 194,279.11-268,031.47-117,770.31

Finding the Fourth Proportional to 194,279.11, 268,031.47 and 117,770.31

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Solution

The fourth proportional to 194,279.11, 268,031.47 and 117,770.31 is: 162,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,279.11 : 268,031.47 = 117,770.31 : x
  2. Step 2: Convert to fraction form
    194,279.11/268,031.47 = 117,770.31/x
  3. Step 3: Cross multiply
    194,279.11x = 268,031.47 × 117,770.31
  4. Step 4: Simplify right side
    194,279.11x = 31,566,149,311.66
  5. Step 5: Solve for x
    x = 31,566,149,311.66/194,279.11
  6. Step 6: Final answer
    x = 162,478.35

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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.