Home / 344,329.12-516,474.24-107,643.88

Finding the Fourth Proportional to 344,329.12, 516,474.24 and 107,643.88

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Solution

The fourth proportional to 344,329.12, 516,474.24 and 107,643.88 is: 161,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,329.12 : 516,474.24 = 107,643.88 : x
  2. Step 2: Convert to fraction form
    344,329.12/516,474.24 = 107,643.88/x
  3. Step 3: Cross multiply
    344,329.12x = 516,474.24 × 107,643.88
  4. Step 4: Simplify right side
    344,329.12x = 55,595,291,113.65
  5. Step 5: Solve for x
    x = 55,595,291,113.65/344,329.12
  6. Step 6: Final answer
    x = 161,459.74

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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.