Home / 120,926.58-181,390.30-36,687.45

Finding the Fourth Proportional to 120,926.58, 181,390.30 and 36,687.45

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Solution

The fourth proportional to 120,926.58, 181,390.30 and 36,687.45 is: 55,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,926.58 : 181,390.30 = 36,687.45 : x
  2. Step 2: Convert to fraction form
    120,926.58/181,390.30 = 36,687.45/x
  3. Step 3: Cross multiply
    120,926.58x = 181,390.30 × 36,687.45
  4. Step 4: Simplify right side
    120,926.58x = 6,654,747,561.74
  5. Step 5: Solve for x
    x = 6,654,747,561.74/120,926.58
  6. Step 6: Final answer
    x = 55,031.31

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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.