Home / 115,508.04-159,491.34-88,608

Finding the Fourth Proportional to 115,508.04, 159,491.34 and 88,608

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Solution

The fourth proportional to 115,508.04, 159,491.34 and 88,608 is: 122,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508.04 : 159,491.34 = 88,608 : x
  2. Step 2: Convert to fraction form
    115,508.04/159,491.34 = 88,608/x
  3. Step 3: Cross multiply
    115,508.04x = 159,491.34 × 88,608
  4. Step 4: Simplify right side
    115,508.04x = 14,132,208,654.72
  5. Step 5: Solve for x
    x = 14,132,208,654.72/115,508.04
  6. Step 6: Final answer
    x = 122,348.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.