Home / 119,949.56-165,529.58-66,237.96

Finding the Fourth Proportional to 119,949.56, 165,529.58 and 66,237.96

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Solution

The fourth proportional to 119,949.56, 165,529.58 and 66,237.96 is: 91,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,949.56 : 165,529.58 = 66,237.96 : x
  2. Step 2: Convert to fraction form
    119,949.56/165,529.58 = 66,237.96/x
  3. Step 3: Cross multiply
    119,949.56x = 165,529.58 × 66,237.96
  4. Step 4: Simplify right side
    119,949.56x = 10,964,341,698.86
  5. Step 5: Solve for x
    x = 10,964,341,698.86/119,949.56
  6. Step 6: Final answer
    x = 91,407.94

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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.