Home / 272,589.62-376,165.30-151,727.80

Finding the Fourth Proportional to 272,589.62, 376,165.30 and 151,727.80

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Solution

The fourth proportional to 272,589.62, 376,165.30 and 151,727.80 is: 209,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,589.62 : 376,165.30 = 151,727.80 : x
  2. Step 2: Convert to fraction form
    272,589.62/376,165.30 = 151,727.80/x
  3. Step 3: Cross multiply
    272,589.62x = 376,165.30 × 151,727.80
  4. Step 4: Simplify right side
    272,589.62x = 57,074,733,405.34
  5. Step 5: Solve for x
    x = 57,074,733,405.34/272,589.62
  6. Step 6: Final answer
    x = 209,379.70

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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.