Home / 99,516.14-137,234.49-84,450.14

Finding the Fourth Proportional to 99,516.14, 137,234.49 and 84,450.14

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Solution

The fourth proportional to 99,516.14, 137,234.49 and 84,450.14 is: 116,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,516.14 : 137,234.49 = 84,450.14 : x
  2. Step 2: Convert to fraction form
    99,516.14/137,234.49 = 84,450.14/x
  3. Step 3: Cross multiply
    99,516.14x = 137,234.49 × 84,450.14
  4. Step 4: Simplify right side
    99,516.14x = 11,589,471,893.33
  5. Step 5: Solve for x
    x = 11,589,471,893.33/99,516.14
  6. Step 6: Final answer
    x = 116,458.21

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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.