Home / 319,171.02-440,456.00-175,934.15

Finding the Fourth Proportional to 319,171.02, 440,456.00 and 175,934.15

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Solution

The fourth proportional to 319,171.02, 440,456.00 and 175,934.15 is: 242,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171.02 : 440,456.00 = 175,934.15 : x
  2. Step 2: Convert to fraction form
    319,171.02/440,456.00 = 175,934.15/x
  3. Step 3: Cross multiply
    319,171.02x = 440,456.00 × 175,934.15
  4. Step 4: Simplify right side
    319,171.02x = 77,491,248,890.45
  5. Step 5: Solve for x
    x = 77,491,248,890.45/319,171.02
  6. Step 6: Final answer
    x = 242,789.11

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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.