Home / 287,844.40-397,229.16-166,992.40

Finding the Fourth Proportional to 287,844.40, 397,229.16 and 166,992.40

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Solution

The fourth proportional to 287,844.40, 397,229.16 and 166,992.40 is: 230,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,844.40 : 397,229.16 = 166,992.40 : x
  2. Step 2: Convert to fraction form
    287,844.40/397,229.16 = 166,992.40/x
  3. Step 3: Cross multiply
    287,844.40x = 397,229.16 × 166,992.40
  4. Step 4: Simplify right side
    287,844.40x = 66,334,250,778.38
  5. Step 5: Solve for x
    x = 66,334,250,778.38/287,844.40
  6. Step 6: Final answer
    x = 230,451.77

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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.