Home / 336,921.21-505,347.18-112,257.38

Finding the Fourth Proportional to 336,921.21, 505,347.18 and 112,257.38

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Solution

The fourth proportional to 336,921.21, 505,347.18 and 112,257.38 is: 168,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,921.21 : 505,347.18 = 112,257.38 : x
  2. Step 2: Convert to fraction form
    336,921.21/505,347.18 = 112,257.38/x
  3. Step 3: Cross multiply
    336,921.21x = 505,347.18 × 112,257.38
  4. Step 4: Simplify right side
    336,921.21x = 56,728,947,329.17
  5. Step 5: Solve for x
    x = 56,728,947,329.17/336,921.21
  6. Step 6: Final answer
    x = 168,374.52

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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.