Home / 347,913.36-522,103.68-126,297.36

Finding the Fourth Proportional to 347,913.36, 522,103.68 and 126,297.36

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Solution

The fourth proportional to 347,913.36, 522,103.68 and 126,297.36 is: 189,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,913.36 : 522,103.68 = 126,297.36 : x
  2. Step 2: Convert to fraction form
    347,913.36/522,103.68 = 126,297.36/x
  3. Step 3: Cross multiply
    347,913.36x = 522,103.68 × 126,297.36
  4. Step 4: Simplify right side
    347,913.36x = 65,940,316,430.28
  5. Step 5: Solve for x
    x = 65,940,316,430.28/347,913.36
  6. Step 6: Final answer
    x = 189,530.85

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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.