Home / 216,557.10-324,835.64-116,764.28

Finding the Fourth Proportional to 216,557.10, 324,835.64 and 116,764.28

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Solution

The fourth proportional to 216,557.10, 324,835.64 and 116,764.28 is: 175,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,557.10 : 324,835.64 = 116,764.28 : x
  2. Step 2: Convert to fraction form
    216,557.10/324,835.64 = 116,764.28/x
  3. Step 3: Cross multiply
    216,557.10x = 324,835.64 × 116,764.28
  4. Step 4: Simplify right side
    216,557.10x = 37,929,199,622.94
  5. Step 5: Solve for x
    x = 37,929,199,622.94/216,557.10
  6. Step 6: Final answer
    x = 175,146.41

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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.