Home / 133,087.10-199,302.60-88,472.30

Finding the Fourth Proportional to 133,087.10, 199,302.60 and 88,472.30

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Solution

The fourth proportional to 133,087.10, 199,302.60 and 88,472.30 is: 132,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.10 : 199,302.60 = 88,472.30 : x
  2. Step 2: Convert to fraction form
    133,087.10/199,302.60 = 88,472.30/x
  3. Step 3: Cross multiply
    133,087.10x = 199,302.60 × 88,472.30
  4. Step 4: Simplify right side
    133,087.10x = 17,632,759,417.98
  5. Step 5: Solve for x
    x = 17,632,759,417.98/133,087.10
  6. Step 6: Final answer
    x = 132,490.37

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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.