Home / 133,339.44-200,009.34-54,453.66

Finding the Fourth Proportional to 133,339.44, 200,009.34 and 54,453.66

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Solution

The fourth proportional to 133,339.44, 200,009.34 and 54,453.66 is: 81,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,339.44 : 200,009.34 = 54,453.66 : x
  2. Step 2: Convert to fraction form
    133,339.44/200,009.34 = 54,453.66/x
  3. Step 3: Cross multiply
    133,339.44x = 200,009.34 × 54,453.66
  4. Step 4: Simplify right side
    133,339.44x = 10,891,240,597.18
  5. Step 5: Solve for x
    x = 10,891,240,597.18/133,339.44
  6. Step 6: Final answer
    x = 81,680.56

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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.