Home / 361,285.12-541,980.48-174,142.72

Finding the Fourth Proportional to 361,285.12, 541,980.48 and 174,142.72

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Solution

The fourth proportional to 361,285.12, 541,980.48 and 174,142.72 is: 261,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,285.12 : 541,980.48 = 174,142.72 : x
  2. Step 2: Convert to fraction form
    361,285.12/541,980.48 = 174,142.72/x
  3. Step 3: Cross multiply
    361,285.12x = 541,980.48 × 174,142.72
  4. Step 4: Simplify right side
    361,285.12x = 94,381,954,974.11
  5. Step 5: Solve for x
    x = 94,381,954,974.11/361,285.12
  6. Step 6: Final answer
    x = 261,239.53

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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.