Home / 162,520.87-243,826.16-67,795.58

Finding the Fourth Proportional to 162,520.87, 243,826.16 and 67,795.58

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Solution

The fourth proportional to 162,520.87, 243,826.16 and 67,795.58 is: 101,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,520.87 : 243,826.16 = 67,795.58 : x
  2. Step 2: Convert to fraction form
    162,520.87/243,826.16 = 67,795.58/x
  3. Step 3: Cross multiply
    162,520.87x = 243,826.16 × 67,795.58
  4. Step 4: Simplify right side
    162,520.87x = 16,530,335,936.37
  5. Step 5: Solve for x
    x = 16,530,335,936.37/162,520.87
  6. Step 6: Final answer
    x = 101,712.08

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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.