Home / 395,655.14-546,193.32-225,856.46

Finding the Fourth Proportional to 395,655.14, 546,193.32 and 225,856.46

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Solution

The fourth proportional to 395,655.14, 546,193.32 and 225,856.46 is: 311,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,655.14 : 546,193.32 = 225,856.46 : x
  2. Step 2: Convert to fraction form
    395,655.14/546,193.32 = 225,856.46/x
  3. Step 3: Cross multiply
    395,655.14x = 546,193.32 × 225,856.46
  4. Step 4: Simplify right side
    395,655.14x = 123,361,289,730.85
  5. Step 5: Solve for x
    x = 123,361,289,730.85/395,655.14
  6. Step 6: Final answer
    x = 311,789.93

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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.