Home / 132,713.94-183,149.44-72,286.40

Finding the Fourth Proportional to 132,713.94, 183,149.44 and 72,286.40

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Solution

The fourth proportional to 132,713.94, 183,149.44 and 72,286.40 is: 99,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,713.94 : 183,149.44 = 72,286.40 : x
  2. Step 2: Convert to fraction form
    132,713.94/183,149.44 = 72,286.40/x
  3. Step 3: Cross multiply
    132,713.94x = 183,149.44 × 72,286.40
  4. Step 4: Simplify right side
    132,713.94x = 13,239,213,679.62
  5. Step 5: Solve for x
    x = 13,239,213,679.62/132,713.94
  6. Step 6: Final answer
    x = 99,757.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.