Home / 319,176.27-440,494.29-238,463.69

Finding the Fourth Proportional to 319,176.27, 440,494.29 and 238,463.69

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Solution

The fourth proportional to 319,176.27, 440,494.29 and 238,463.69 is: 329,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,176.27 : 440,494.29 = 238,463.69 : x
  2. Step 2: Convert to fraction form
    319,176.27/440,494.29 = 238,463.69/x
  3. Step 3: Cross multiply
    319,176.27x = 440,494.29 × 238,463.69
  4. Step 4: Simplify right side
    319,176.27x = 105,041,891,614.86
  5. Step 5: Solve for x
    x = 105,041,891,614.86/319,176.27
  6. Step 6: Final answer
    x = 329,103.07

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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.