Home / 319,186.12-440,479.87-175,951.29

Finding the Fourth Proportional to 319,186.12, 440,479.87 and 175,951.29

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Solution

The fourth proportional to 319,186.12, 440,479.87 and 175,951.29 is: 242,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,186.12 : 440,479.87 = 175,951.29 : x
  2. Step 2: Convert to fraction form
    319,186.12/440,479.87 = 175,951.29/x
  3. Step 3: Cross multiply
    319,186.12x = 440,479.87 × 175,951.29
  4. Step 4: Simplify right side
    319,186.12x = 77,503,001,069.48
  5. Step 5: Solve for x
    x = 77,503,001,069.48/319,186.12
  6. Step 6: Final answer
    x = 242,814.45

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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.