Home / 231,625.05-347,437.58-220,799.40

Finding the Fourth Proportional to 231,625.05, 347,437.58 and 220,799.40

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Solution

The fourth proportional to 231,625.05, 347,437.58 and 220,799.40 is: 331,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,625.05 : 347,437.58 = 220,799.40 : x
  2. Step 2: Convert to fraction form
    231,625.05/347,437.58 = 220,799.40/x
  3. Step 3: Cross multiply
    231,625.05x = 347,437.58 × 220,799.40
  4. Step 4: Simplify right side
    231,625.05x = 76,714,008,097.46
  5. Step 5: Solve for x
    x = 76,714,008,097.46/231,625.05
  6. Step 6: Final answer
    x = 331,199.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.