Home / 140,252.01-193,540.10-86,540.91

Finding the Fourth Proportional to 140,252.01, 193,540.10 and 86,540.91

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Solution

The fourth proportional to 140,252.01, 193,540.10 and 86,540.91 is: 119,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,252.01 : 193,540.10 = 86,540.91 : x
  2. Step 2: Convert to fraction form
    140,252.01/193,540.10 = 86,540.91/x
  3. Step 3: Cross multiply
    140,252.01x = 193,540.10 × 86,540.91
  4. Step 4: Simplify right side
    140,252.01x = 16,749,135,942.79
  5. Step 5: Solve for x
    x = 16,749,135,942.79/140,252.01
  6. Step 6: Final answer
    x = 119,421.72

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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.