Home / 140,493.13-193,898.27-92,135.75

Finding the Fourth Proportional to 140,493.13, 193,898.27 and 92,135.75

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Solution

The fourth proportional to 140,493.13, 193,898.27 and 92,135.75 is: 127,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,493.13 : 193,898.27 = 92,135.75 : x
  2. Step 2: Convert to fraction form
    140,493.13/193,898.27 = 92,135.75/x
  3. Step 3: Cross multiply
    140,493.13x = 193,898.27 × 92,135.75
  4. Step 4: Simplify right side
    140,493.13x = 17,864,962,530.15
  5. Step 5: Solve for x
    x = 17,864,962,530.15/140,493.13
  6. Step 6: Final answer
    x = 127,158.98

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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.