Home / 213,996.03-319,588.80-171,940.02

Finding the Fourth Proportional to 213,996.03, 319,588.80 and 171,940.02

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Solution

The fourth proportional to 213,996.03, 319,588.80 and 171,940.02 is: 256,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,996.03 : 319,588.80 = 171,940.02 : x
  2. Step 2: Convert to fraction form
    213,996.03/319,588.80 = 171,940.02/x
  3. Step 3: Cross multiply
    213,996.03x = 319,588.80 × 171,940.02
  4. Step 4: Simplify right side
    213,996.03x = 54,950,104,663.78
  5. Step 5: Solve for x
    x = 54,950,104,663.78/213,996.03
  6. Step 6: Final answer
    x = 256,780.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.