Home / 235,775.07-325,359.43-128,344.92

Finding the Fourth Proportional to 235,775.07, 325,359.43 and 128,344.92

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Solution

The fourth proportional to 235,775.07, 325,359.43 and 128,344.92 is: 177,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,775.07 : 325,359.43 = 128,344.92 : x
  2. Step 2: Convert to fraction form
    235,775.07/325,359.43 = 128,344.92/x
  3. Step 3: Cross multiply
    235,775.07x = 325,359.43 × 128,344.92
  4. Step 4: Simplify right side
    235,775.07x = 41,758,231,025.72
  5. Step 5: Solve for x
    x = 41,758,231,025.72/235,775.07
  6. Step 6: Final answer
    x = 177,110.46

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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.