Home / 129,404.52-177,624.09-114,941.16

Finding the Fourth Proportional to 129,404.52, 177,624.09 and 114,941.16

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Solution

The fourth proportional to 129,404.52, 177,624.09 and 114,941.16 is: 157,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,404.52 : 177,624.09 = 114,941.16 : x
  2. Step 2: Convert to fraction form
    129,404.52/177,624.09 = 114,941.16/x
  3. Step 3: Cross multiply
    129,404.52x = 177,624.09 × 114,941.16
  4. Step 4: Simplify right side
    129,404.52x = 20,416,318,948.54
  5. Step 5: Solve for x
    x = 20,416,318,948.54/129,404.52
  6. Step 6: Final answer
    x = 157,771.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.