Home / 146,033.30-217,993.60-128,318.60

Finding the Fourth Proportional to 146,033.30, 217,993.60 and 128,318.60

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Solution

The fourth proportional to 146,033.30, 217,993.60 and 128,318.60 is: 191,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,033.30 : 217,993.60 = 128,318.60 : x
  2. Step 2: Convert to fraction form
    146,033.30/217,993.60 = 128,318.60/x
  3. Step 3: Cross multiply
    146,033.30x = 217,993.60 × 128,318.60
  4. Step 4: Simplify right side
    146,033.30x = 27,972,633,560.96
  5. Step 5: Solve for x
    x = 27,972,633,560.96/146,033.30
  6. Step 6: Final answer
    x = 191,549.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.