Home / 120,646.20-180,974.02-36,406.37

Finding the Fourth Proportional to 120,646.20, 180,974.02 and 36,406.37

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Solution

The fourth proportional to 120,646.20, 180,974.02 and 36,406.37 is: 54,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,646.20 : 180,974.02 = 36,406.37 : x
  2. Step 2: Convert to fraction form
    120,646.20/180,974.02 = 36,406.37/x
  3. Step 3: Cross multiply
    120,646.20x = 180,974.02 × 36,406.37
  4. Step 4: Simplify right side
    120,646.20x = 6,588,607,919.08
  5. Step 5: Solve for x
    x = 6,588,607,919.08/120,646.20
  6. Step 6: Final answer
    x = 54,610.99

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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.