Home / 231,469.43-347,143.39-98,281.13

Finding the Fourth Proportional to 231,469.43, 347,143.39 and 98,281.13

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Solution

The fourth proportional to 231,469.43, 347,143.39 and 98,281.13 is: 147,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,469.43 : 347,143.39 = 98,281.13 : x
  2. Step 2: Convert to fraction form
    231,469.43/347,143.39 = 98,281.13/x
  3. Step 3: Cross multiply
    231,469.43x = 347,143.39 × 98,281.13
  4. Step 4: Simplify right side
    231,469.43x = 34,117,642,659.81
  5. Step 5: Solve for x
    x = 34,117,642,659.81/231,469.43
  6. Step 6: Final answer
    x = 147,395.89

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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.