Home / 287,458.38-396,267.21-184,081.62

Finding the Fourth Proportional to 287,458.38, 396,267.21 and 184,081.62

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Solution

The fourth proportional to 287,458.38, 396,267.21 and 184,081.62 is: 253,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,458.38 : 396,267.21 = 184,081.62 : x
  2. Step 2: Convert to fraction form
    287,458.38/396,267.21 = 184,081.62/x
  3. Step 3: Cross multiply
    287,458.38x = 396,267.21 × 184,081.62
  4. Step 4: Simplify right side
    287,458.38x = 72,945,509,969.68
  5. Step 5: Solve for x
    x = 72,945,509,969.68/287,458.38
  6. Step 6: Final answer
    x = 253,760.25

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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.