Home / 129,756.68-194,609.08-36,263.24

Finding the Fourth Proportional to 129,756.68, 194,609.08 and 36,263.24

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Solution

The fourth proportional to 129,756.68, 194,609.08 and 36,263.24 is: 54,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.68 : 194,609.08 = 36,263.24 : x
  2. Step 2: Convert to fraction form
    129,756.68/194,609.08 = 36,263.24/x
  3. Step 3: Cross multiply
    129,756.68x = 194,609.08 × 36,263.24
  4. Step 4: Simplify right side
    129,756.68x = 7,057,155,774.22
  5. Step 5: Solve for x
    x = 7,057,155,774.22/129,756.68
  6. Step 6: Final answer
    x = 54,387.61

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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.