Home / 120,567.99-166,375.72-66,851.02

Finding the Fourth Proportional to 120,567.99, 166,375.72 and 66,851.02

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Solution

The fourth proportional to 120,567.99, 166,375.72 and 66,851.02 is: 92,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.99 : 166,375.72 = 66,851.02 : x
  2. Step 2: Convert to fraction form
    120,567.99/166,375.72 = 66,851.02/x
  3. Step 3: Cross multiply
    120,567.99x = 166,375.72 × 66,851.02
  4. Step 4: Simplify right side
    120,567.99x = 11,122,386,876.77
  5. Step 5: Solve for x
    x = 11,122,386,876.77/120,567.99
  6. Step 6: Final answer
    x = 92,249.91

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1.5x scale

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.