Home / 231,723.40-347,640.58-96,712.40

Finding the Fourth Proportional to 231,723.40, 347,640.58 and 96,712.40

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Solution

The fourth proportional to 231,723.40, 347,640.58 and 96,712.40 is: 145,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,723.40 : 347,640.58 = 96,712.40 : x
  2. Step 2: Convert to fraction form
    231,723.40/347,640.58 = 96,712.40/x
  3. Step 3: Cross multiply
    231,723.40x = 347,640.58 × 96,712.40
  4. Step 4: Simplify right side
    231,723.40x = 33,621,154,829.19
  5. Step 5: Solve for x
    x = 33,621,154,829.19/231,723.40
  6. Step 6: Final answer
    x = 145,091.76

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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.