Home / 129,548.72-194,323.80-36,054.56

Finding the Fourth Proportional to 129,548.72, 194,323.80 and 36,054.56

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Solution

The fourth proportional to 129,548.72, 194,323.80 and 36,054.56 is: 54,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,548.72 : 194,323.80 = 36,054.56 : x
  2. Step 2: Convert to fraction form
    129,548.72/194,323.80 = 36,054.56/x
  3. Step 3: Cross multiply
    129,548.72x = 194,323.80 × 36,054.56
  4. Step 4: Simplify right side
    129,548.72x = 7,006,259,106.53
  5. Step 5: Solve for x
    x = 7,006,259,106.53/129,548.72
  6. Step 6: Final answer
    x = 54,082.04

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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.