Home / 537,979.20-806,968.80-163,953.60

Finding the Fourth Proportional to 537,979.20, 806,968.80 and 163,953.60

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Solution

The fourth proportional to 537,979.20, 806,968.80 and 163,953.60 is: 245,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,979.20 : 806,968.80 = 163,953.60 : x
  2. Step 2: Convert to fraction form
    537,979.20/806,968.80 = 163,953.60/x
  3. Step 3: Cross multiply
    537,979.20x = 806,968.80 × 163,953.60
  4. Step 4: Simplify right side
    537,979.20x = 132,305,439,847.68
  5. Step 5: Solve for x
    x = 132,305,439,847.68/537,979.20
  6. Step 6: Final answer
    x = 245,930.40

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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.