Home / 351,491.15-527,127.60-126,822.31

Finding the Fourth Proportional to 351,491.15, 527,127.60 and 126,822.31

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Solution

The fourth proportional to 351,491.15, 527,127.60 and 126,822.31 is: 190,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,491.15 : 527,127.60 = 126,822.31 : x
  2. Step 2: Convert to fraction form
    351,491.15/527,127.60 = 126,822.31/x
  3. Step 3: Cross multiply
    351,491.15x = 527,127.60 × 126,822.31
  4. Step 4: Simplify right side
    351,491.15x = 66,851,539,262.64
  5. Step 5: Solve for x
    x = 66,851,539,262.64/351,491.15
  6. Step 6: Final answer
    x = 190,194.09

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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.