Home / 130,694.85-195,869.88-51,766.02

Finding the Fourth Proportional to 130,694.85, 195,869.88 and 51,766.02

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Solution

The fourth proportional to 130,694.85, 195,869.88 and 51,766.02 is: 77,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,694.85 : 195,869.88 = 51,766.02 : x
  2. Step 2: Convert to fraction form
    130,694.85/195,869.88 = 51,766.02/x
  3. Step 3: Cross multiply
    130,694.85x = 195,869.88 × 51,766.02
  4. Step 4: Simplify right side
    130,694.85x = 10,139,404,125.48
  5. Step 5: Solve for x
    x = 10,139,404,125.48/130,694.85
  6. Step 6: Final answer
    x = 77,580.75

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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.