Home / 133,089.10-199,305.60-88,474.30

Finding the Fourth Proportional to 133,089.10, 199,305.60 and 88,474.30

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Solution

The fourth proportional to 133,089.10, 199,305.60 and 88,474.30 is: 132,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,089.10 : 199,305.60 = 88,474.30 : x
  2. Step 2: Convert to fraction form
    133,089.10/199,305.60 = 88,474.30/x
  3. Step 3: Cross multiply
    133,089.10x = 199,305.60 × 88,474.30
  4. Step 4: Simplify right side
    133,089.10x = 17,633,423,446.08
  5. Step 5: Solve for x
    x = 17,633,423,446.08/133,089.10
  6. Step 6: Final answer
    x = 132,493.37

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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.