Home / 149,613.67-206,436.61-95,187.45

Finding the Fourth Proportional to 149,613.67, 206,436.61 and 95,187.45

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Solution

The fourth proportional to 149,613.67, 206,436.61 and 95,187.45 is: 131,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,613.67 : 206,436.61 = 95,187.45 : x
  2. Step 2: Convert to fraction form
    149,613.67/206,436.61 = 95,187.45/x
  3. Step 3: Cross multiply
    149,613.67x = 206,436.61 × 95,187.45
  4. Step 4: Simplify right side
    149,613.67x = 19,650,174,492.54
  5. Step 5: Solve for x
    x = 19,650,174,492.54/149,613.67
  6. Step 6: Final answer
    x = 131,339.43

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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.