Home / 235,983.30-325,655.36-128,553.41

Finding the Fourth Proportional to 235,983.30, 325,655.36 and 128,553.41

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Solution

The fourth proportional to 235,983.30, 325,655.36 and 128,553.41 is: 177,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,983.30 : 325,655.36 = 128,553.41 : x
  2. Step 2: Convert to fraction form
    235,983.30/325,655.36 = 128,553.41/x
  3. Step 3: Cross multiply
    235,983.30x = 325,655.36 × 128,553.41
  4. Step 4: Simplify right side
    235,983.30x = 41,864,104,741.73
  5. Step 5: Solve for x
    x = 41,864,104,741.73/235,983.30
  6. Step 6: Final answer
    x = 177,402.83

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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.