Home / 287,233.50-396,124.16-179,813.30

Finding the Fourth Proportional to 287,233.50, 396,124.16 and 179,813.30

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Solution

The fourth proportional to 287,233.50, 396,124.16 and 179,813.30 is: 247,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,233.50 : 396,124.16 = 179,813.30 : x
  2. Step 2: Convert to fraction form
    287,233.50/396,124.16 = 179,813.30/x
  3. Step 3: Cross multiply
    287,233.50x = 396,124.16 × 179,813.30
  4. Step 4: Simplify right side
    287,233.50x = 71,228,392,419.33
  5. Step 5: Solve for x
    x = 71,228,392,419.33/287,233.50
  6. Step 6: Final answer
    x = 247,980.80

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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.