Home / 151,935.42-209,660.04-83,951.64

Finding the Fourth Proportional to 151,935.42, 209,660.04 and 83,951.64

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Solution

The fourth proportional to 151,935.42, 209,660.04 and 83,951.64 is: 115,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,935.42 : 209,660.04 = 83,951.64 : x
  2. Step 2: Convert to fraction form
    151,935.42/209,660.04 = 83,951.64/x
  3. Step 3: Cross multiply
    151,935.42x = 209,660.04 × 83,951.64
  4. Step 4: Simplify right side
    151,935.42x = 17,601,304,200.47
  5. Step 5: Solve for x
    x = 17,601,304,200.47/151,935.42
  6. Step 6: Final answer
    x = 115,847.27

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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.