Home / 98,845.38-148,245.83-45,486.18

Finding the Fourth Proportional to 98,845.38, 148,245.83 and 45,486.18

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Solution

The fourth proportional to 98,845.38, 148,245.83 and 45,486.18 is: 68,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.38 : 148,245.83 = 45,486.18 : x
  2. Step 2: Convert to fraction form
    98,845.38/148,245.83 = 45,486.18/x
  3. Step 3: Cross multiply
    98,845.38x = 148,245.83 × 45,486.18
  4. Step 4: Simplify right side
    98,845.38x = 6,743,136,280.20
  5. Step 5: Solve for x
    x = 6,743,136,280.20/98,845.38
  6. Step 6: Final answer
    x = 68,219.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.