Home / 194,613.30-268,520.55-118,130.51

Finding the Fourth Proportional to 194,613.30, 268,520.55 and 118,130.51

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Solution

The fourth proportional to 194,613.30, 268,520.55 and 118,130.51 is: 162,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,613.30 : 268,520.55 = 118,130.51 : x
  2. Step 2: Convert to fraction form
    194,613.30/268,520.55 = 118,130.51/x
  3. Step 3: Cross multiply
    194,613.30x = 268,520.55 × 118,130.51
  4. Step 4: Simplify right side
    194,613.30x = 31,720,469,745.29
  5. Step 5: Solve for x
    x = 31,720,469,745.29/194,613.30
  6. Step 6: Final answer
    x = 162,992.30

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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.