Home / 117,769.53-176,587.25-80,374.91

Finding the Fourth Proportional to 117,769.53, 176,587.25 and 80,374.91

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Solution

The fourth proportional to 117,769.53, 176,587.25 and 80,374.91 is: 120,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.53 : 176,587.25 = 80,374.91 : x
  2. Step 2: Convert to fraction form
    117,769.53/176,587.25 = 80,374.91/x
  3. Step 3: Cross multiply
    117,769.53x = 176,587.25 × 80,374.91
  4. Step 4: Simplify right side
    117,769.53x = 14,193,183,041.09
  5. Step 5: Solve for x
    x = 14,193,183,041.09/117,769.53
  6. Step 6: Final answer
    x = 120,516.60

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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.