Home / 133,815.44-200,723.52-45,131.24

Finding the Fourth Proportional to 133,815.44, 200,723.52 and 45,131.24

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Solution

The fourth proportional to 133,815.44, 200,723.52 and 45,131.24 is: 67,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,815.44 : 200,723.52 = 45,131.24 : x
  2. Step 2: Convert to fraction form
    133,815.44/200,723.52 = 45,131.24/x
  3. Step 3: Cross multiply
    133,815.44x = 200,723.52 × 45,131.24
  4. Step 4: Simplify right side
    133,815.44x = 9,058,901,354.76
  5. Step 5: Solve for x
    x = 9,058,901,354.76/133,815.44
  6. Step 6: Final answer
    x = 67,696.98

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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.