Home / 194,220.72-268,064.64-113,690.52

Finding the Fourth Proportional to 194,220.72, 268,064.64 and 113,690.52

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Solution

The fourth proportional to 194,220.72, 268,064.64 and 113,690.52 is: 156,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,220.72 : 268,064.64 = 113,690.52 : x
  2. Step 2: Convert to fraction form
    194,220.72/268,064.64 = 113,690.52/x
  3. Step 3: Cross multiply
    194,220.72x = 268,064.64 × 113,690.52
  4. Step 4: Simplify right side
    194,220.72x = 30,476,408,315.21
  5. Step 5: Solve for x
    x = 30,476,408,315.21/194,220.72
  6. Step 6: Final answer
    x = 156,916.36

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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.