Home / 215,566.32-323,386.20-73,396.56

Finding the Fourth Proportional to 215,566.32, 323,386.20 and 73,396.56

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Solution

The fourth proportional to 215,566.32, 323,386.20 and 73,396.56 is: 110,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,566.32 : 323,386.20 = 73,396.56 : x
  2. Step 2: Convert to fraction form
    215,566.32/323,386.20 = 73,396.56/x
  3. Step 3: Cross multiply
    215,566.32x = 323,386.20 × 73,396.56
  4. Step 4: Simplify right side
    215,566.32x = 23,735,434,631.47
  5. Step 5: Solve for x
    x = 23,735,434,631.47/215,566.32
  6. Step 6: Final answer
    x = 110,107.34

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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.