Home / 216,539.19-324,805.23-64,736.64

Finding the Fourth Proportional to 216,539.19, 324,805.23 and 64,736.64

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Solution

The fourth proportional to 216,539.19, 324,805.23 and 64,736.64 is: 97,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,539.19 : 324,805.23 = 64,736.64 : x
  2. Step 2: Convert to fraction form
    216,539.19/324,805.23 = 64,736.64/x
  3. Step 3: Cross multiply
    216,539.19x = 324,805.23 × 64,736.64
  4. Step 4: Simplify right side
    216,539.19x = 21,026,799,244.63
  5. Step 5: Solve for x
    x = 21,026,799,244.63/216,539.19
  6. Step 6: Final answer
    x = 97,103.90

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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.