Home / 347,629.64-521,500.86-107,687.48

Finding the Fourth Proportional to 347,629.64, 521,500.86 and 107,687.48

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Solution

The fourth proportional to 347,629.64, 521,500.86 and 107,687.48 is: 161,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,629.64 : 521,500.86 = 107,687.48 : x
  2. Step 2: Convert to fraction form
    347,629.64/521,500.86 = 107,687.48/x
  3. Step 3: Cross multiply
    347,629.64x = 521,500.86 × 107,687.48
  4. Step 4: Simplify right side
    347,629.64x = 56,159,113,431.23
  5. Step 5: Solve for x
    x = 56,159,113,431.23/347,629.64
  6. Step 6: Final answer
    x = 161,548.69

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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.