Home / 205,964.40-308,946.60-161,727.60

Finding the Fourth Proportional to 205,964.40, 308,946.60 and 161,727.60

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Solution

The fourth proportional to 205,964.40, 308,946.60 and 161,727.60 is: 242,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,964.40 : 308,946.60 = 161,727.60 : x
  2. Step 2: Convert to fraction form
    205,964.40/308,946.60 = 161,727.60/x
  3. Step 3: Cross multiply
    205,964.40x = 308,946.60 × 161,727.60
  4. Step 4: Simplify right side
    205,964.40x = 49,965,192,146.16
  5. Step 5: Solve for x
    x = 49,965,192,146.16/205,964.40
  6. Step 6: Final answer
    x = 242,591.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.