Home / 149,326.24-206,089.68-85,651.60

Finding the Fourth Proportional to 149,326.24, 206,089.68 and 85,651.60

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Solution

The fourth proportional to 149,326.24, 206,089.68 and 85,651.60 is: 118,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,326.24 : 206,089.68 = 85,651.60 : x
  2. Step 2: Convert to fraction form
    149,326.24/206,089.68 = 85,651.60/x
  3. Step 3: Cross multiply
    149,326.24x = 206,089.68 × 85,651.60
  4. Step 4: Simplify right side
    149,326.24x = 17,651,910,835.49
  5. Step 5: Solve for x
    x = 17,651,910,835.49/149,326.24
  6. Step 6: Final answer
    x = 118,210.38

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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.