Home / 120,567.24-166,355.86-72,161.64

Finding the Fourth Proportional to 120,567.24, 166,355.86 and 72,161.64

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Solution

The fourth proportional to 120,567.24, 166,355.86 and 72,161.64 is: 99,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.24 : 166,355.86 = 72,161.64 : x
  2. Step 2: Convert to fraction form
    120,567.24/166,355.86 = 72,161.64/x
  3. Step 3: Cross multiply
    120,567.24x = 166,355.86 × 72,161.64
  4. Step 4: Simplify right side
    120,567.24x = 12,004,511,681.21
  5. Step 5: Solve for x
    x = 12,004,511,681.21/120,567.24
  6. Step 6: Final answer
    x = 99,566.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.