Home / 347,962.37-521,815.54-120,200.03

Finding the Fourth Proportional to 347,962.37, 521,815.54 and 120,200.03

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Solution

The fourth proportional to 347,962.37, 521,815.54 and 120,200.03 is: 180,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,962.37 : 521,815.54 = 120,200.03 : x
  2. Step 2: Convert to fraction form
    347,962.37/521,815.54 = 120,200.03/x
  3. Step 3: Cross multiply
    347,962.37x = 521,815.54 × 120,200.03
  4. Step 4: Simplify right side
    347,962.37x = 62,722,243,562.47
  5. Step 5: Solve for x
    x = 62,722,243,562.47/347,962.37
  6. Step 6: Final answer
    x = 180,255.82

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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.