Home / 216,156.44-324,012.96-83,000.84

Finding the Fourth Proportional to 216,156.44, 324,012.96 and 83,000.84

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Solution

The fourth proportional to 216,156.44, 324,012.96 and 83,000.84 is: 124,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,156.44 : 324,012.96 = 83,000.84 : x
  2. Step 2: Convert to fraction form
    216,156.44/324,012.96 = 83,000.84/x
  3. Step 3: Cross multiply
    216,156.44x = 324,012.96 × 83,000.84
  4. Step 4: Simplify right side
    216,156.44x = 26,893,347,850.89
  5. Step 5: Solve for x
    x = 26,893,347,850.89/216,156.44
  6. Step 6: Final answer
    x = 124,416.13

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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.