Home / 319,081.92-440,342.27-175,851.18

Finding the Fourth Proportional to 319,081.92, 440,342.27 and 175,851.18

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Solution

The fourth proportional to 319,081.92, 440,342.27 and 175,851.18 is: 242,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,081.92 : 440,342.27 = 175,851.18 : x
  2. Step 2: Convert to fraction form
    319,081.92/440,342.27 = 175,851.18/x
  3. Step 3: Cross multiply
    319,081.92x = 440,342.27 × 175,851.18
  4. Step 4: Simplify right side
    319,081.92x = 77,434,706,904.12
  5. Step 5: Solve for x
    x = 77,434,706,904.12/319,081.92
  6. Step 6: Final answer
    x = 242,679.71

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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.