Home / 156,163.14-215,506.31-84,544.36

Finding the Fourth Proportional to 156,163.14, 215,506.31 and 84,544.36

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Solution

The fourth proportional to 156,163.14, 215,506.31 and 84,544.36 is: 116,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,163.14 : 215,506.31 = 84,544.36 : x
  2. Step 2: Convert to fraction form
    156,163.14/215,506.31 = 84,544.36/x
  3. Step 3: Cross multiply
    156,163.14x = 215,506.31 × 84,544.36
  4. Step 4: Simplify right side
    156,163.14x = 18,219,842,093.42
  5. Step 5: Solve for x
    x = 18,219,842,093.42/156,163.14
  6. Step 6: Final answer
    x = 116,671.85

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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.