Home / 382,162.20-573,243.30-115,909.80

Finding the Fourth Proportional to 382,162.20, 573,243.30 and 115,909.80

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Solution

The fourth proportional to 382,162.20, 573,243.30 and 115,909.80 is: 173,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,162.20 : 573,243.30 = 115,909.80 : x
  2. Step 2: Convert to fraction form
    382,162.20/573,243.30 = 115,909.80/x
  3. Step 3: Cross multiply
    382,162.20x = 573,243.30 × 115,909.80
  4. Step 4: Simplify right side
    382,162.20x = 66,444,516,254.34
  5. Step 5: Solve for x
    x = 66,444,516,254.34/382,162.20
  6. Step 6: Final answer
    x = 173,864.70

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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.