Home / 238,477.20-329,026.77-142,949.04

Finding the Fourth Proportional to 238,477.20, 329,026.77 and 142,949.04

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Solution

The fourth proportional to 238,477.20, 329,026.77 and 142,949.04 is: 197,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,477.20 : 329,026.77 = 142,949.04 : x
  2. Step 2: Convert to fraction form
    238,477.20/329,026.77 = 142,949.04/x
  3. Step 3: Cross multiply
    238,477.20x = 329,026.77 × 142,949.04
  4. Step 4: Simplify right side
    238,477.20x = 47,034,060,905.80
  5. Step 5: Solve for x
    x = 47,034,060,905.80/238,477.20
  6. Step 6: Final answer
    x = 197,226.66

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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.