Home / 162,239.25-243,511.52-82,334.58

Finding the Fourth Proportional to 162,239.25, 243,511.52 and 82,334.58

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Solution

The fourth proportional to 162,239.25, 243,511.52 and 82,334.58 is: 123,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,239.25 : 243,511.52 = 82,334.58 : x
  2. Step 2: Convert to fraction form
    162,239.25/243,511.52 = 82,334.58/x
  3. Step 3: Cross multiply
    162,239.25x = 243,511.52 × 82,334.58
  4. Step 4: Simplify right side
    162,239.25x = 20,049,417,399.52
  5. Step 5: Solve for x
    x = 20,049,417,399.52/162,239.25
  6. Step 6: Final answer
    x = 123,579.32

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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.