Home / 166,640.96-229,900.31-115,628.17

Finding the Fourth Proportional to 166,640.96, 229,900.31 and 115,628.17

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Solution

The fourth proportional to 166,640.96, 229,900.31 and 115,628.17 is: 159,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640.96 : 229,900.31 = 115,628.17 : x
  2. Step 2: Convert to fraction form
    166,640.96/229,900.31 = 115,628.17/x
  3. Step 3: Cross multiply
    166,640.96x = 229,900.31 × 115,628.17
  4. Step 4: Simplify right side
    166,640.96x = 26,582,951,192.92
  5. Step 5: Solve for x
    x = 26,582,951,192.92/166,640.96
  6. Step 6: Final answer
    x = 159,522.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.