Home / 140,486.98-193,875.41-80,056.33

Finding the Fourth Proportional to 140,486.98, 193,875.41 and 80,056.33

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Solution

The fourth proportional to 140,486.98, 193,875.41 and 80,056.33 is: 110,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,486.98 : 193,875.41 = 80,056.33 : x
  2. Step 2: Convert to fraction form
    140,486.98/193,875.41 = 80,056.33/x
  3. Step 3: Cross multiply
    140,486.98x = 193,875.41 × 80,056.33
  4. Step 4: Simplify right side
    140,486.98x = 15,520,953,401.56
  5. Step 5: Solve for x
    x = 15,520,953,401.56/140,486.98
  6. Step 6: Final answer
    x = 110,479.66

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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.