Home / 130,372.24-195,558.36-68,028.16

Finding the Fourth Proportional to 130,372.24, 195,558.36 and 68,028.16

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Solution

The fourth proportional to 130,372.24, 195,558.36 and 68,028.16 is: 102,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.24 : 195,558.36 = 68,028.16 : x
  2. Step 2: Convert to fraction form
    130,372.24/195,558.36 = 68,028.16/x
  3. Step 3: Cross multiply
    130,372.24x = 195,558.36 × 68,028.16
  4. Step 4: Simplify right side
    130,372.24x = 13,303,475,403.42
  5. Step 5: Solve for x
    x = 13,303,475,403.42/130,372.24
  6. Step 6: Final answer
    x = 102,042.24

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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.