Home / 132,790.44-183,249.14-72,363.72

Finding the Fourth Proportional to 132,790.44, 183,249.14 and 72,363.72

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Solution

The fourth proportional to 132,790.44, 183,249.14 and 72,363.72 is: 99,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.44 : 183,249.14 = 72,363.72 : x
  2. Step 2: Convert to fraction form
    132,790.44/183,249.14 = 72,363.72/x
  3. Step 3: Cross multiply
    132,790.44x = 183,249.14 × 72,363.72
  4. Step 4: Simplify right side
    132,790.44x = 13,260,589,457.20
  5. Step 5: Solve for x
    x = 13,260,589,457.20/132,790.44
  6. Step 6: Final answer
    x = 99,861.03

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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.