Home / 149,612.67-206,435.23-95,186.45

Finding the Fourth Proportional to 149,612.67, 206,435.23 and 95,186.45

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Solution

The fourth proportional to 149,612.67, 206,435.23 and 95,186.45 is: 131,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,612.67 : 206,435.23 = 95,186.45 : x
  2. Step 2: Convert to fraction form
    149,612.67/206,435.23 = 95,186.45/x
  3. Step 3: Cross multiply
    149,612.67x = 206,435.23 × 95,186.45
  4. Step 4: Simplify right side
    149,612.67x = 19,649,836,976.76
  5. Step 5: Solve for x
    x = 19,649,836,976.76/149,612.67
  6. Step 6: Final answer
    x = 131,338.05

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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.