Home / 234,005.40-351,008.10-76,249.80

Finding the Fourth Proportional to 234,005.40, 351,008.10 and 76,249.80

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Solution

The fourth proportional to 234,005.40, 351,008.10 and 76,249.80 is: 114,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,005.40 : 351,008.10 = 76,249.80 : x
  2. Step 2: Convert to fraction form
    234,005.40/351,008.10 = 76,249.80/x
  3. Step 3: Cross multiply
    234,005.40x = 351,008.10 × 76,249.80
  4. Step 4: Simplify right side
    234,005.40x = 26,764,297,423.38
  5. Step 5: Solve for x
    x = 26,764,297,423.38/234,005.40
  6. Step 6: Final answer
    x = 114,374.70

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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.