Home / 129,796.96-194,697.08-45,553.72

Finding the Fourth Proportional to 129,796.96, 194,697.08 and 45,553.72

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Solution

The fourth proportional to 129,796.96, 194,697.08 and 45,553.72 is: 68,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,796.96 : 194,697.08 = 45,553.72 : x
  2. Step 2: Convert to fraction form
    129,796.96/194,697.08 = 45,553.72/x
  3. Step 3: Cross multiply
    129,796.96x = 194,697.08 × 45,553.72
  4. Step 4: Simplify right side
    129,796.96x = 8,869,176,267.14
  5. Step 5: Solve for x
    x = 8,869,176,267.14/129,796.96
  6. Step 6: Final answer
    x = 68,331.16

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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.