Home / 179,113.12-268,472.64-73,874.56

Finding the Fourth Proportional to 179,113.12, 268,472.64 and 73,874.56

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Solution

The fourth proportional to 179,113.12, 268,472.64 and 73,874.56 is: 110,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,113.12 : 268,472.64 = 73,874.56 : x
  2. Step 2: Convert to fraction form
    179,113.12/268,472.64 = 73,874.56/x
  3. Step 3: Cross multiply
    179,113.12x = 268,472.64 × 73,874.56
  4. Step 4: Simplify right side
    179,113.12x = 19,833,298,152.04
  5. Step 5: Solve for x
    x = 19,833,298,152.04/179,113.12
  6. Step 6: Final answer
    x = 110,730.57

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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.