Home / 287,592.27-396,906.84-172,908.24

Finding the Fourth Proportional to 287,592.27, 396,906.84 and 172,908.24

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Solution

The fourth proportional to 287,592.27, 396,906.84 and 172,908.24 is: 238,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,592.27 : 396,906.84 = 172,908.24 : x
  2. Step 2: Convert to fraction form
    287,592.27/396,906.84 = 172,908.24/x
  3. Step 3: Cross multiply
    287,592.27x = 396,906.84 × 172,908.24
  4. Step 4: Simplify right side
    287,592.27x = 68,628,463,148.36
  5. Step 5: Solve for x
    x = 68,628,463,148.36/287,592.27
  6. Step 6: Final answer
    x = 238,631.11

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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.