Home / 319,287.11-440,614.53-174,100.68

Finding the Fourth Proportional to 319,287.11, 440,614.53 and 174,100.68

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Solution

The fourth proportional to 319,287.11, 440,614.53 and 174,100.68 is: 240,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,287.11 : 440,614.53 = 174,100.68 : x
  2. Step 2: Convert to fraction form
    319,287.11/440,614.53 = 174,100.68/x
  3. Step 3: Cross multiply
    319,287.11x = 440,614.53 × 174,100.68
  4. Step 4: Simplify right side
    319,287.11x = 76,711,289,290.88
  5. Step 5: Solve for x
    x = 76,711,289,290.88/319,287.11
  6. Step 6: Final answer
    x = 240,258.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.