Home / 130,640.44-195,948.51-35,867.20

Finding the Fourth Proportional to 130,640.44, 195,948.51 and 35,867.20

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Solution

The fourth proportional to 130,640.44, 195,948.51 and 35,867.20 is: 53,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,640.44 : 195,948.51 = 35,867.20 : x
  2. Step 2: Convert to fraction form
    130,640.44/195,948.51 = 35,867.20/x
  3. Step 3: Cross multiply
    130,640.44x = 195,948.51 × 35,867.20
  4. Step 4: Simplify right side
    130,640.44x = 7,028,124,397.87
  5. Step 5: Solve for x
    x = 7,028,124,397.87/130,640.44
  6. Step 6: Final answer
    x = 53,797.46

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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.