Home / 140,181.89-193,450.92-76,519.67

Finding the Fourth Proportional to 140,181.89, 193,450.92 and 76,519.67

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Solution

The fourth proportional to 140,181.89, 193,450.92 and 76,519.67 is: 105,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,181.89 : 193,450.92 = 76,519.67 : x
  2. Step 2: Convert to fraction form
    140,181.89/193,450.92 = 76,519.67/x
  3. Step 3: Cross multiply
    140,181.89x = 193,450.92 × 76,519.67
  4. Step 4: Simplify right side
    140,181.89x = 14,802,799,592.34
  5. Step 5: Solve for x
    x = 14,802,799,592.34/140,181.89
  6. Step 6: Final answer
    x = 105,597.09

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1.5x scale

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.