Home / 231,164.18-319,104.80-140,549.10

Finding the Fourth Proportional to 231,164.18, 319,104.80 and 140,549.10

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Solution

The fourth proportional to 231,164.18, 319,104.80 and 140,549.10 is: 194,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,164.18 : 319,104.80 = 140,549.10 : x
  2. Step 2: Convert to fraction form
    231,164.18/319,104.80 = 140,549.10/x
  3. Step 3: Cross multiply
    231,164.18x = 319,104.80 × 140,549.10
  4. Step 4: Simplify right side
    231,164.18x = 44,849,892,797.05
  5. Step 5: Solve for x
    x = 44,849,892,797.05/231,164.18
  6. Step 6: Final answer
    x = 194,017.48

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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.