Home / 133,645.20-200,521.80-58,779.60

Finding the Fourth Proportional to 133,645.20, 200,521.80 and 58,779.60

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Solution

The fourth proportional to 133,645.20, 200,521.80 and 58,779.60 is: 88,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,645.20 : 200,521.80 = 58,779.60 : x
  2. Step 2: Convert to fraction form
    133,645.20/200,521.80 = 58,779.60/x
  3. Step 3: Cross multiply
    133,645.20x = 200,521.80 × 58,779.60
  4. Step 4: Simplify right side
    133,645.20x = 11,786,591,195.28
  5. Step 5: Solve for x
    x = 11,786,591,195.28/133,645.20
  6. Step 6: Final answer
    x = 88,193.15

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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.