Home / 231,416.21-347,149.83-73,607.76

Finding the Fourth Proportional to 231,416.21, 347,149.83 and 73,607.76

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Solution

The fourth proportional to 231,416.21, 347,149.83 and 73,607.76 is: 110,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,416.21 : 347,149.83 = 73,607.76 : x
  2. Step 2: Convert to fraction form
    231,416.21/347,149.83 = 73,607.76/x
  3. Step 3: Cross multiply
    231,416.21x = 347,149.83 × 73,607.76
  4. Step 4: Simplify right side
    231,416.21x = 25,552,921,646.71
  5. Step 5: Solve for x
    x = 25,552,921,646.71/231,416.21
  6. Step 6: Final answer
    x = 110,419.76

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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.