Home / 231,331.08-319,219.35-140,674.44

Finding the Fourth Proportional to 231,331.08, 319,219.35 and 140,674.44

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Solution

The fourth proportional to 231,331.08, 319,219.35 and 140,674.44 is: 194,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,331.08 : 319,219.35 = 140,674.44 : x
  2. Step 2: Convert to fraction form
    231,331.08/319,219.35 = 140,674.44/x
  3. Step 3: Cross multiply
    231,331.08x = 319,219.35 × 140,674.44
  4. Step 4: Simplify right side
    231,331.08x = 44,906,003,298.41
  5. Step 5: Solve for x
    x = 44,906,003,298.41/231,331.08
  6. Step 6: Final answer
    x = 194,120.06

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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.