Home / 133,013.76-199,553.52-39,519.36

Finding the Fourth Proportional to 133,013.76, 199,553.52 and 39,519.36

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Solution

The fourth proportional to 133,013.76, 199,553.52 and 39,519.36 is: 59,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.76 : 199,553.52 = 39,519.36 : x
  2. Step 2: Convert to fraction form
    133,013.76/199,553.52 = 39,519.36/x
  3. Step 3: Cross multiply
    133,013.76x = 199,553.52 × 39,519.36
  4. Step 4: Simplify right side
    133,013.76x = 7,886,227,396.15
  5. Step 5: Solve for x
    x = 7,886,227,396.15/133,013.76
  6. Step 6: Final answer
    x = 59,288.81

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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.