Home / 235,942.52-325,589.46-128,512.04

Finding the Fourth Proportional to 235,942.52, 325,589.46 and 128,512.04

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Solution

The fourth proportional to 235,942.52, 325,589.46 and 128,512.04 is: 177,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,942.52 : 325,589.46 = 128,512.04 : x
  2. Step 2: Convert to fraction form
    235,942.52/325,589.46 = 128,512.04/x
  3. Step 3: Cross multiply
    235,942.52x = 325,589.46 × 128,512.04
  4. Step 4: Simplify right side
    235,942.52x = 41,842,165,707.10
  5. Step 5: Solve for x
    x = 41,842,165,707.10/235,942.52
  6. Step 6: Final answer
    x = 177,340.51

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1.5x scale

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.