Home / 120,567.61-166,388.61-66,849.22

Finding the Fourth Proportional to 120,567.61, 166,388.61 and 66,849.22

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Solution

The fourth proportional to 120,567.61, 166,388.61 and 66,849.22 is: 92,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.61 : 166,388.61 = 66,849.22 : x
  2. Step 2: Convert to fraction form
    120,567.61/166,388.61 = 66,849.22/x
  3. Step 3: Cross multiply
    120,567.61x = 166,388.61 × 66,849.22
  4. Step 4: Simplify right side
    120,567.61x = 11,122,948,795.38
  5. Step 5: Solve for x
    x = 11,122,948,795.38/120,567.61
  6. Step 6: Final answer
    x = 92,254.87

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Why These Related Problems?

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