Home / 120,562.22-180,801.72-49,464.78

Finding the Fourth Proportional to 120,562.22, 180,801.72 and 49,464.78

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Solution

The fourth proportional to 120,562.22, 180,801.72 and 49,464.78 is: 74,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.22 : 180,801.72 = 49,464.78 : x
  2. Step 2: Convert to fraction form
    120,562.22/180,801.72 = 49,464.78/x
  3. Step 3: Cross multiply
    120,562.22x = 180,801.72 × 49,464.78
  4. Step 4: Simplify right side
    120,562.22x = 8,943,317,303.42
  5. Step 5: Solve for x
    x = 8,943,317,303.42/120,562.22
  6. Step 6: Final answer
    x = 74,180.10

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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.