Home / 129,499.12-194,276.48-73,366.12

Finding the Fourth Proportional to 129,499.12, 194,276.48 and 73,366.12

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Solution

The fourth proportional to 129,499.12, 194,276.48 and 73,366.12 is: 110,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,499.12 : 194,276.48 = 73,366.12 : x
  2. Step 2: Convert to fraction form
    129,499.12/194,276.48 = 73,366.12/x
  3. Step 3: Cross multiply
    129,499.12x = 194,276.48 × 73,366.12
  4. Step 4: Simplify right side
    129,499.12x = 14,253,311,420.87
  5. Step 5: Solve for x
    x = 14,253,311,420.87/129,499.12
  6. Step 6: Final answer
    x = 110,064.93

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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.