Home / 222,690.72-334,031.40-54,211.95

Finding the Fourth Proportional to 222,690.72, 334,031.40 and 54,211.95

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Solution

The fourth proportional to 222,690.72, 334,031.40 and 54,211.95 is: 81,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,690.72 : 334,031.40 = 54,211.95 : x
  2. Step 2: Convert to fraction form
    222,690.72/334,031.40 = 54,211.95/x
  3. Step 3: Cross multiply
    222,690.72x = 334,031.40 × 54,211.95
  4. Step 4: Simplify right side
    222,690.72x = 18,108,493,555.23
  5. Step 5: Solve for x
    x = 18,108,493,555.23/222,690.72
  6. Step 6: Final answer
    x = 81,316.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.