Home / 131,920.65-197,881.38-32,080.86

Finding the Fourth Proportional to 131,920.65, 197,881.38 and 32,080.86

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Solution

The fourth proportional to 131,920.65, 197,881.38 and 32,080.86 is: 48,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,920.65 : 197,881.38 = 32,080.86 : x
  2. Step 2: Convert to fraction form
    131,920.65/197,881.38 = 32,080.86/x
  3. Step 3: Cross multiply
    131,920.65x = 197,881.38 × 32,080.86
  4. Step 4: Simplify right side
    131,920.65x = 6,348,204,848.39
  5. Step 5: Solve for x
    x = 6,348,204,848.39/131,920.65
  6. Step 6: Final answer
    x = 48,121.39

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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.