Home / 156,450.59-215,890.01-88,473.92

Finding the Fourth Proportional to 156,450.59, 215,890.01 and 88,473.92

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Solution

The fourth proportional to 156,450.59, 215,890.01 and 88,473.92 is: 122,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,450.59 : 215,890.01 = 88,473.92 : x
  2. Step 2: Convert to fraction form
    156,450.59/215,890.01 = 88,473.92/x
  3. Step 3: Cross multiply
    156,450.59x = 215,890.01 × 88,473.92
  4. Step 4: Simplify right side
    156,450.59x = 19,100,635,497.88
  5. Step 5: Solve for x
    x = 19,100,635,497.88/156,450.59
  6. Step 6: Final answer
    x = 122,087.34

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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.