Home / 236,082.13-325,792.83-128,651.90

Finding the Fourth Proportional to 236,082.13, 325,792.83 and 128,651.90

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Solution

The fourth proportional to 236,082.13, 325,792.83 and 128,651.90 is: 177,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,082.13 : 325,792.83 = 128,651.90 : x
  2. Step 2: Convert to fraction form
    236,082.13/325,792.83 = 128,651.90/x
  3. Step 3: Cross multiply
    236,082.13x = 325,792.83 × 128,651.90
  4. Step 4: Simplify right side
    236,082.13x = 41,913,866,585.88
  5. Step 5: Solve for x
    x = 41,913,866,585.88/236,082.13
  6. Step 6: Final answer
    x = 177,539.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.