Home / 231,330.08-347,007.20-65,131.04

Finding the Fourth Proportional to 231,330.08, 347,007.20 and 65,131.04

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Solution

The fourth proportional to 231,330.08, 347,007.20 and 65,131.04 is: 97,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.08 : 347,007.20 = 65,131.04 : x
  2. Step 2: Convert to fraction form
    231,330.08/347,007.20 = 65,131.04/x
  3. Step 3: Cross multiply
    231,330.08x = 347,007.20 × 65,131.04
  4. Step 4: Simplify right side
    231,330.08x = 22,600,939,823.49
  5. Step 5: Solve for x
    x = 22,600,939,823.49/231,330.08
  6. Step 6: Final answer
    x = 97,699.96

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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.