Home / 146,956.58-220,497.28-80,318.84

Finding the Fourth Proportional to 146,956.58, 220,497.28 and 80,318.84

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Solution

The fourth proportional to 146,956.58, 220,497.28 and 80,318.84 is: 120,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,956.58 : 220,497.28 = 80,318.84 : x
  2. Step 2: Convert to fraction form
    146,956.58/220,497.28 = 80,318.84/x
  3. Step 3: Cross multiply
    146,956.58x = 220,497.28 × 80,318.84
  4. Step 4: Simplify right side
    146,956.58x = 17,710,085,752.76
  5. Step 5: Solve for x
    x = 17,710,085,752.76/146,956.58
  6. Step 6: Final answer
    x = 120,512.37

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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.