Home / 287,591.27-396,905.46-172,907.24

Finding the Fourth Proportional to 287,591.27, 396,905.46 and 172,907.24

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Solution

The fourth proportional to 287,591.27, 396,905.46 and 172,907.24 is: 238,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,591.27 : 396,905.46 = 172,907.24 : x
  2. Step 2: Convert to fraction form
    287,591.27/396,905.46 = 172,907.24/x
  3. Step 3: Cross multiply
    287,591.27x = 396,905.46 × 172,907.24
  4. Step 4: Simplify right side
    287,591.27x = 68,627,827,629.53
  5. Step 5: Solve for x
    x = 68,627,827,629.53/287,591.27
  6. Step 6: Final answer
    x = 238,629.73

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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.