Home / 244,128.40-365,755.19-86,256.16

Finding the Fourth Proportional to 244,128.40, 365,755.19 and 86,256.16

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Solution

The fourth proportional to 244,128.40, 365,755.19 and 86,256.16 is: 129,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,128.40 : 365,755.19 = 86,256.16 : x
  2. Step 2: Convert to fraction form
    244,128.40/365,755.19 = 86,256.16/x
  3. Step 3: Cross multiply
    244,128.40x = 365,755.19 × 86,256.16
  4. Step 4: Simplify right side
    244,128.40x = 31,548,636,576.33
  5. Step 5: Solve for x
    x = 31,548,636,576.33/244,128.40
  6. Step 6: Final answer
    x = 129,229.69

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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.