Home / 130,218.40-195,716.40-113,111.20

Finding the Fourth Proportional to 130,218.40, 195,716.40 and 113,111.20

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Solution

The fourth proportional to 130,218.40, 195,716.40 and 113,111.20 is: 170,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.40 : 195,716.40 = 113,111.20 : x
  2. Step 2: Convert to fraction form
    130,218.40/195,716.40 = 113,111.20/x
  3. Step 3: Cross multiply
    130,218.40x = 195,716.40 × 113,111.20
  4. Step 4: Simplify right side
    130,218.40x = 22,137,716,863.68
  5. Step 5: Solve for x
    x = 22,137,716,863.68/130,218.40
  6. Step 6: Final answer
    x = 170,004.52

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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.