Home / 185,013.30-277,398.45-72,625.80

Finding the Fourth Proportional to 185,013.30, 277,398.45 and 72,625.80

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Solution

The fourth proportional to 185,013.30, 277,398.45 and 72,625.80 is: 108,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,013.30 : 277,398.45 = 72,625.80 : x
  2. Step 2: Convert to fraction form
    185,013.30/277,398.45 = 72,625.80/x
  3. Step 3: Cross multiply
    185,013.30x = 277,398.45 × 72,625.80
  4. Step 4: Simplify right side
    185,013.30x = 20,146,284,350.01
  5. Step 5: Solve for x
    x = 20,146,284,350.01/185,013.30
  6. Step 6: Final answer
    x = 108,891.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.