Home / 234,342.48-351,441-84,563.36

Finding the Fourth Proportional to 234,342.48, 351,441 and 84,563.36

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Solution

The fourth proportional to 234,342.48, 351,441 and 84,563.36 is: 126,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,342.48 : 351,441 = 84,563.36 : x
  2. Step 2: Convert to fraction form
    234,342.48/351,441 = 84,563.36/x
  3. Step 3: Cross multiply
    234,342.48x = 351,441 × 84,563.36
  4. Step 4: Simplify right side
    234,342.48x = 29,719,031,801.76
  5. Step 5: Solve for x
    x = 29,719,031,801.76/234,342.48
  6. Step 6: Final answer
    x = 126,818.80

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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.