Home / 119,505.96-164,912.24-65,789.60

Finding the Fourth Proportional to 119,505.96, 164,912.24 and 65,789.60

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Solution

The fourth proportional to 119,505.96, 164,912.24 and 65,789.60 is: 90,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,505.96 : 164,912.24 = 65,789.60 : x
  2. Step 2: Convert to fraction form
    119,505.96/164,912.24 = 65,789.60/x
  3. Step 3: Cross multiply
    119,505.96x = 164,912.24 × 65,789.60
  4. Step 4: Simplify right side
    119,505.96x = 10,849,510,304.70
  5. Step 5: Solve for x
    x = 10,849,510,304.70/119,505.96
  6. Step 6: Final answer
    x = 90,786.35

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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.