Home / 179,441.16-268,960.62-72,800.36

Finding the Fourth Proportional to 179,441.16, 268,960.62 and 72,800.36

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Solution

The fourth proportional to 179,441.16, 268,960.62 and 72,800.36 is: 109,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,441.16 : 268,960.62 = 72,800.36 : x
  2. Step 2: Convert to fraction form
    179,441.16/268,960.62 = 72,800.36/x
  3. Step 3: Cross multiply
    179,441.16x = 268,960.62 × 72,800.36
  4. Step 4: Simplify right side
    179,441.16x = 19,580,429,961.82
  5. Step 5: Solve for x
    x = 19,580,429,961.82/179,441.16
  6. Step 6: Final answer
    x = 109,118.94

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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.