Home / 216,573.04-324,793.34-76,298.86

Finding the Fourth Proportional to 216,573.04, 324,793.34 and 76,298.86

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Solution

The fourth proportional to 216,573.04, 324,793.34 and 76,298.86 is: 114,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,573.04 : 324,793.34 = 76,298.86 : x
  2. Step 2: Convert to fraction form
    216,573.04/324,793.34 = 76,298.86/x
  3. Step 3: Cross multiply
    216,573.04x = 324,793.34 × 76,298.86
  4. Step 4: Simplify right side
    216,573.04x = 24,781,362,174.33
  5. Step 5: Solve for x
    x = 24,781,362,174.33/216,573.04
  6. Step 6: Final answer
    x = 114,424.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.