Home / 235,856.13-325,481.24-128,426.93

Finding the Fourth Proportional to 235,856.13, 325,481.24 and 128,426.93

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Solution

The fourth proportional to 235,856.13, 325,481.24 and 128,426.93 is: 177,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,856.13 : 325,481.24 = 128,426.93 : x
  2. Step 2: Convert to fraction form
    235,856.13/325,481.24 = 128,426.93/x
  3. Step 3: Cross multiply
    235,856.13x = 325,481.24 × 128,426.93
  4. Step 4: Simplify right side
    235,856.13x = 41,800,554,156.25
  5. Step 5: Solve for x
    x = 41,800,554,156.25/235,856.13
  6. Step 6: Final answer
    x = 177,229.03

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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.