Home / 140,537.32-193,986.66-92,833

Finding the Fourth Proportional to 140,537.32, 193,986.66 and 92,833

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Solution

The fourth proportional to 140,537.32, 193,986.66 and 92,833 is: 128,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537.32 : 193,986.66 = 92,833 : x
  2. Step 2: Convert to fraction form
    140,537.32/193,986.66 = 92,833/x
  3. Step 3: Cross multiply
    140,537.32x = 193,986.66 × 92,833
  4. Step 4: Simplify right side
    140,537.32x = 18,008,363,607.78
  5. Step 5: Solve for x
    x = 18,008,363,607.78/140,537.32
  6. Step 6: Final answer
    x = 128,139.37

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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.