Home / 133,201.52-199,802.40-39,704.96

Finding the Fourth Proportional to 133,201.52, 199,802.40 and 39,704.96

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Solution

The fourth proportional to 133,201.52, 199,802.40 and 39,704.96 is: 59,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,201.52 : 199,802.40 = 39,704.96 : x
  2. Step 2: Convert to fraction form
    133,201.52/199,802.40 = 39,704.96/x
  3. Step 3: Cross multiply
    133,201.52x = 199,802.40 × 39,704.96
  4. Step 4: Simplify right side
    133,201.52x = 7,933,146,299.90
  5. Step 5: Solve for x
    x = 7,933,146,299.90/133,201.52
  6. Step 6: Final answer
    x = 59,557.48

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1.5x scale

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.