Home / 116,704.24-160,712.97-101,383.78

Finding the Fourth Proportional to 116,704.24, 160,712.97 and 101,383.78

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Solution

The fourth proportional to 116,704.24, 160,712.97 and 101,383.78 is: 139,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,704.24 : 160,712.97 = 101,383.78 : x
  2. Step 2: Convert to fraction form
    116,704.24/160,712.97 = 101,383.78/x
  3. Step 3: Cross multiply
    116,704.24x = 160,712.97 × 101,383.78
  4. Step 4: Simplify right side
    116,704.24x = 16,293,688,393.63
  5. Step 5: Solve for x
    x = 16,293,688,393.63/116,704.24
  6. Step 6: Final answer
    x = 139,615.22

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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.