Home / 140,239.41-193,530.38-76,577.27

Finding the Fourth Proportional to 140,239.41, 193,530.38 and 76,577.27

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Solution

The fourth proportional to 140,239.41, 193,530.38 and 76,577.27 is: 105,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,239.41 : 193,530.38 = 76,577.27 : x
  2. Step 2: Convert to fraction form
    140,239.41/193,530.38 = 76,577.27/x
  3. Step 3: Cross multiply
    140,239.41x = 193,530.38 × 76,577.27
  4. Step 4: Simplify right side
    140,239.41x = 14,820,026,811.92
  5. Step 5: Solve for x
    x = 14,820,026,811.92/140,239.41
  6. Step 6: Final answer
    x = 105,676.62

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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.