Home / 130,497.53-195,738.95-35,720.75

Finding the Fourth Proportional to 130,497.53, 195,738.95 and 35,720.75

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Solution

The fourth proportional to 130,497.53, 195,738.95 and 35,720.75 is: 53,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,497.53 : 195,738.95 = 35,720.75 : x
  2. Step 2: Convert to fraction form
    130,497.53/195,738.95 = 35,720.75/x
  3. Step 3: Cross multiply
    130,497.53x = 195,738.95 × 35,720.75
  4. Step 4: Simplify right side
    130,497.53x = 6,991,942,676.86
  5. Step 5: Solve for x
    x = 6,991,942,676.86/130,497.53
  6. Step 6: Final answer
    x = 53,579.12

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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.