Home / 140,885.66-194,421.33-77,226.14

Finding the Fourth Proportional to 140,885.66, 194,421.33 and 77,226.14

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Solution

The fourth proportional to 140,885.66, 194,421.33 and 77,226.14 is: 106,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885.66 : 194,421.33 = 77,226.14 : x
  2. Step 2: Convert to fraction form
    140,885.66/194,421.33 = 77,226.14/x
  3. Step 3: Cross multiply
    140,885.66x = 194,421.33 × 77,226.14
  4. Step 4: Simplify right side
    140,885.66x = 15,014,408,849.57
  5. Step 5: Solve for x
    x = 15,014,408,849.57/140,885.66
  6. Step 6: Final answer
    x = 106,571.59

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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.