Home / 129,516.82-194,274.51-40,776.82

Finding the Fourth Proportional to 129,516.82, 194,274.51 and 40,776.82

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Solution

The fourth proportional to 129,516.82, 194,274.51 and 40,776.82 is: 61,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,516.82 : 194,274.51 = 40,776.82 : x
  2. Step 2: Convert to fraction form
    129,516.82/194,274.51 = 40,776.82/x
  3. Step 3: Cross multiply
    129,516.82x = 194,274.51 × 40,776.82
  4. Step 4: Simplify right side
    129,516.82x = 7,921,896,724.86
  5. Step 5: Solve for x
    x = 7,921,896,724.86/129,516.82
  6. Step 6: Final answer
    x = 61,165.00

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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.