Home / 231,853.32-319,951.48-136,365.88

Finding the Fourth Proportional to 231,853.32, 319,951.48 and 136,365.88

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Solution

The fourth proportional to 231,853.32, 319,951.48 and 136,365.88 is: 188,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,853.32 : 319,951.48 = 136,365.88 : x
  2. Step 2: Convert to fraction form
    231,853.32/319,951.48 = 136,365.88/x
  3. Step 3: Cross multiply
    231,853.32x = 319,951.48 × 136,365.88
  4. Step 4: Simplify right side
    231,853.32x = 43,630,465,127.50
  5. Step 5: Solve for x
    x = 43,630,465,127.50/231,853.32
  6. Step 6: Final answer
    x = 188,181.33

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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.