Home / 129,334.08-194,009.31-40,591.09

Finding the Fourth Proportional to 129,334.08, 194,009.31 and 40,591.09

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Solution

The fourth proportional to 129,334.08, 194,009.31 and 40,591.09 is: 60,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,334.08 : 194,009.31 = 40,591.09 : x
  2. Step 2: Convert to fraction form
    129,334.08/194,009.31 = 40,591.09/x
  3. Step 3: Cross multiply
    129,334.08x = 194,009.31 × 40,591.09
  4. Step 4: Simplify right side
    129,334.08x = 7,875,049,605.56
  5. Step 5: Solve for x
    x = 7,875,049,605.56/129,334.08
  6. Step 6: Final answer
    x = 60,889.21

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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.