Home / 129,751.75-194,627.04-41,005.12

Finding the Fourth Proportional to 129,751.75, 194,627.04 and 41,005.12

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Solution

The fourth proportional to 129,751.75, 194,627.04 and 41,005.12 is: 61,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,751.75 : 194,627.04 = 41,005.12 : x
  2. Step 2: Convert to fraction form
    129,751.75/194,627.04 = 41,005.12/x
  3. Step 3: Cross multiply
    129,751.75x = 194,627.04 × 41,005.12
  4. Step 4: Simplify right side
    129,751.75x = 7,980,705,130.44
  5. Step 5: Solve for x
    x = 7,980,705,130.44/129,751.75
  6. Step 6: Final answer
    x = 61,507.50

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1.5x scale

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.