Home / 130,672.70-195,985.66-34,610.57

Finding the Fourth Proportional to 130,672.70, 195,985.66 and 34,610.57

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Solution

The fourth proportional to 130,672.70, 195,985.66 and 34,610.57 is: 51,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,672.70 : 195,985.66 = 34,610.57 : x
  2. Step 2: Convert to fraction form
    130,672.70/195,985.66 = 34,610.57/x
  3. Step 3: Cross multiply
    130,672.70x = 195,985.66 × 34,610.57
  4. Step 4: Simplify right side
    130,672.70x = 6,783,175,404.43
  5. Step 5: Solve for x
    x = 6,783,175,404.43/130,672.70
  6. Step 6: Final answer
    x = 51,909.66

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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.