Home / 129,554.11-194,338.13-40,814.56

Finding the Fourth Proportional to 129,554.11, 194,338.13 and 40,814.56

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Solution

The fourth proportional to 129,554.11, 194,338.13 and 40,814.56 is: 61,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,554.11 : 194,338.13 = 40,814.56 : x
  2. Step 2: Convert to fraction form
    129,554.11/194,338.13 = 40,814.56/x
  3. Step 3: Cross multiply
    129,554.11x = 194,338.13 × 40,814.56
  4. Step 4: Simplify right side
    129,554.11x = 7,931,825,267.17
  5. Step 5: Solve for x
    x = 7,931,825,267.17/129,554.11
  6. Step 6: Final answer
    x = 61,224.03

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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.