Home / 129,397.11-194,093.73-40,655.94

Finding the Fourth Proportional to 129,397.11, 194,093.73 and 40,655.94

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Solution

The fourth proportional to 129,397.11, 194,093.73 and 40,655.94 is: 60,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,397.11 : 194,093.73 = 40,655.94 : x
  2. Step 2: Convert to fraction form
    129,397.11/194,093.73 = 40,655.94/x
  3. Step 3: Cross multiply
    129,397.11x = 194,093.73 × 40,655.94
  4. Step 4: Simplify right side
    129,397.11x = 7,891,063,041.26
  5. Step 5: Solve for x
    x = 7,891,063,041.26/129,397.11
  6. Step 6: Final answer
    x = 60,983.30

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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.