Home / 119,940.93-165,520.62-66,222.77

Finding the Fourth Proportional to 119,940.93, 165,520.62 and 66,222.77

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Solution

The fourth proportional to 119,940.93, 165,520.62 and 66,222.77 is: 91,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.93 : 165,520.62 = 66,222.77 : x
  2. Step 2: Convert to fraction form
    119,940.93/165,520.62 = 66,222.77/x
  3. Step 3: Cross multiply
    119,940.93x = 165,520.62 × 66,222.77
  4. Step 4: Simplify right side
    119,940.93x = 10,961,233,120.91
  5. Step 5: Solve for x
    x = 10,961,233,120.91/119,940.93
  6. Step 6: Final answer
    x = 91,388.60

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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.