Home / 131,014.67-180,790.30-73,644.87

Finding the Fourth Proportional to 131,014.67, 180,790.30 and 73,644.87

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Solution

The fourth proportional to 131,014.67, 180,790.30 and 73,644.87 is: 101,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.67 : 180,790.30 = 73,644.87 : x
  2. Step 2: Convert to fraction form
    131,014.67/180,790.30 = 73,644.87/x
  3. Step 3: Cross multiply
    131,014.67x = 180,790.30 × 73,644.87
  4. Step 4: Simplify right side
    131,014.67x = 13,314,278,140.76
  5. Step 5: Solve for x
    x = 13,314,278,140.76/131,014.67
  6. Step 6: Final answer
    x = 101,624.33

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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.