Home / 140,492.13-193,896.89-92,134.75

Finding the Fourth Proportional to 140,492.13, 193,896.89 and 92,134.75

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Solution

The fourth proportional to 140,492.13, 193,896.89 and 92,134.75 is: 127,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,492.13 : 193,896.89 = 92,134.75 : x
  2. Step 2: Convert to fraction form
    140,492.13/193,896.89 = 92,134.75/x
  3. Step 3: Cross multiply
    140,492.13x = 193,896.89 × 92,134.75
  4. Step 4: Simplify right side
    140,492.13x = 17,864,641,231.52
  5. Step 5: Solve for x
    x = 17,864,641,231.52/140,492.13
  6. Step 6: Final answer
    x = 127,157.59

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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.