Home / 344,548.71-516,823.07-107,909.91

Finding the Fourth Proportional to 344,548.71, 516,823.07 and 107,909.91

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Solution

The fourth proportional to 344,548.71, 516,823.07 and 107,909.91 is: 161,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,548.71 : 516,823.07 = 107,909.91 : x
  2. Step 2: Convert to fraction form
    344,548.71/516,823.07 = 107,909.91/x
  3. Step 3: Cross multiply
    344,548.71x = 516,823.07 × 107,909.91
  4. Step 4: Simplify right side
    344,548.71x = 55,770,330,430.07
  5. Step 5: Solve for x
    x = 55,770,330,430.07/344,548.71
  6. Step 6: Final answer
    x = 161,864.87

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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.