Home / 107,491.40-161,237.10-92,729.15

Finding the Fourth Proportional to 107,491.40, 161,237.10 and 92,729.15

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Solution

The fourth proportional to 107,491.40, 161,237.10 and 92,729.15 is: 139,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,491.40 : 161,237.10 = 92,729.15 : x
  2. Step 2: Convert to fraction form
    107,491.40/161,237.10 = 92,729.15/x
  3. Step 3: Cross multiply
    107,491.40x = 161,237.10 × 92,729.15
  4. Step 4: Simplify right side
    107,491.40x = 14,951,379,231.47
  5. Step 5: Solve for x
    x = 14,951,379,231.47/107,491.40
  6. Step 6: Final answer
    x = 139,093.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.