Home / 140,557.60-193,971.27-76,896.46

Finding the Fourth Proportional to 140,557.60, 193,971.27 and 76,896.46

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Solution

The fourth proportional to 140,557.60, 193,971.27 and 76,896.46 is: 106,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,557.60 : 193,971.27 = 76,896.46 : x
  2. Step 2: Convert to fraction form
    140,557.60/193,971.27 = 76,896.46/x
  3. Step 3: Cross multiply
    140,557.60x = 193,971.27 × 76,896.46
  4. Step 4: Simplify right side
    140,557.60x = 14,915,704,004.70
  5. Step 5: Solve for x
    x = 14,915,704,004.70/140,557.60
  6. Step 6: Final answer
    x = 106,118.09

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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.