Home / 129,390.40-194,083.84-33,327.07

Finding the Fourth Proportional to 129,390.40, 194,083.84 and 33,327.07

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Solution

The fourth proportional to 129,390.40, 194,083.84 and 33,327.07 is: 49,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,390.40 : 194,083.84 = 33,327.07 : x
  2. Step 2: Convert to fraction form
    129,390.40/194,083.84 = 33,327.07/x
  3. Step 3: Cross multiply
    129,390.40x = 194,083.84 × 33,327.07
  4. Step 4: Simplify right side
    129,390.40x = 6,468,245,721.55
  5. Step 5: Solve for x
    x = 6,468,245,721.55/129,390.40
  6. Step 6: Final answer
    x = 49,990.15

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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.