Home / 120,921.66-181,353.33-37,815.66

Finding the Fourth Proportional to 120,921.66, 181,353.33 and 37,815.66

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Solution

The fourth proportional to 120,921.66, 181,353.33 and 37,815.66 is: 56,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,921.66 : 181,353.33 = 37,815.66 : x
  2. Step 2: Convert to fraction form
    120,921.66/181,353.33 = 37,815.66/x
  3. Step 3: Cross multiply
    120,921.66x = 181,353.33 × 37,815.66
  4. Step 4: Simplify right side
    120,921.66x = 6,857,995,867.15
  5. Step 5: Solve for x
    x = 6,857,995,867.15/120,921.66
  6. Step 6: Final answer
    x = 56,714.37

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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.