Home / 319,196.61-440,494.39-175,961.78

Finding the Fourth Proportional to 319,196.61, 440,494.39 and 175,961.78

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Solution

The fourth proportional to 319,196.61, 440,494.39 and 175,961.78 is: 242,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,196.61 : 440,494.39 = 175,961.78 : x
  2. Step 2: Convert to fraction form
    319,196.61/440,494.39 = 175,961.78/x
  3. Step 3: Cross multiply
    319,196.61x = 440,494.39 × 175,961.78
  4. Step 4: Simplify right side
    319,196.61x = 77,510,176,944.41
  5. Step 5: Solve for x
    x = 77,510,176,944.41/319,196.61
  6. Step 6: Final answer
    x = 242,828.95

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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.